From 5a03a7890ea6499f168b7d78b1b50391655a70c5 Mon Sep 17 00:00:00 2001 From: Mikkeli Date: Wed, 9 Sep 2026 11:50:38 +0900 Subject: [PATCH] 274: rescope reference material to Kawabata-Usappu MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Replace the 由仁-十勝清水 reference section with the narrowed 川端橋 - 右左府 scope. - structures table gains a kilometre key, derived two ways: sequence alignment of the 北海道開発局 register against OSM way geometry by length, and watercourse crossings as anchors where a bridge is named after the stream it crosses (草木橋, ポン久留喜橋, オロロップ橋, モトツ橋, 福山大橋, 新川橋) - watercourses deduplicated 176 -> 32; the inflation was single rivers split across many OSM ways - PoI and watercourse tables sorted on the same datum so all three interleave by distance - working language switched to English, Japanese kept for proper nouns - gloss fixed: 川端 as 'riverside', not 'end of a river' Distances are measured from a datum near 上野幌 and are not official kiloposts (official KP is roughly this plus 14 km). Full-route data and the source registers live in the KB at ~/infra/kb/inbox/surreal/. Co-Authored-By: Claude Opus 5 Claude-Session: https://claude.ai/code/session_01S6MpcBisZYhX45oDGRRJoz --- wip/274.md | 199 ++++++++++++++++++++++++++++++----------------------- 1 file changed, 111 insertions(+), 88 deletions(-) diff --git a/wip/274.md b/wip/274.md index 1c3814b..7a9092d 100644 --- a/wip/274.md +++ b/wip/274.md @@ -14,7 +14,7 @@ Codename `Yuubari 2` but I've decided that this will be more about Route 274. Th ## Lyrics (working) ``` -// Kawabata, lit. 'end of a river' +// Kawabata, lit. 'riverside' // Before Yuubari (west) @@ -44,71 +44,121 @@ all 268 R274 facilities), `R274-chimei-junjo.md` (place names), `R274-enkatsu-sh Distances below are OSM-derived, measured from a datum near 上野幌, **not official KP** (official ≈ +14 km, unverified). Structures have no distance — order only, from route01. -### Structures, in road order +### Structures, with kilometre key -Municipality shifts back and forth across the 夕張川 between 由仁町 and 栗山町 before -settling into 夕張市 — that alternation is in the register, not an error. +Distances are derived, not official. Two independent methods: -| # | Name | Class | Location | Length (m) | Type | Built | Grade | Measures | -|--:|---|---|---|--:|---|--:|:--:|---| -| 1 | 川端橋 | bridge | 由仁町 | 255 | PC | 1991 | Ⅰ | | -| 2 | 雨霧橋 | bridge | 栗山町 | 280.7 | Steel | 1974 | Ⅱ | | -| 3 | 竜仙橋 | bridge | 由仁町 | 178 | Steel | 1972 | Ⅱ | | -| 4 | 草木橋 | bridge | 栗山町 | 24.1 | Steel | 1979 | Ⅲ | main girder and deck slab repair | -| 5 | 滝の上こ線橋 | bridge | 夕張市 | 47.6 | Steel | 1975 | Ⅲ | curb repair and other repair | -| 6 | 十三哩橋 | bridge | 夕張市 | 122 | Steel | 1997 | Ⅰ | | -| 7 | 瑞穂橋 | bridge | 夕張市 | 155 | Steel | 1968 | | | -| 8 | 紅楓橋 | bridge | 夕張市 | 102.5 | Steel | 1958 | Ⅱ | | -| 9 | ポン久留喜橋 | bridge | 夕張市 | 12.7 | PC | 1984 | Ⅰ | | -| 10 | 久留喜橋 | bridge | 夕張市 | 34 | RC | 1962 | | | -| 11 | 楓橋 | bridge | 夕張市 | 32 | Steel | 1968 | Ⅲ | main girder repair | -| 12 | 桂橋 | bridge | 夕張市 | 48.3 | PC | 1987 | Ⅰ | | -| 13 | 千紫橋 | bridge | 夕張市 | 31.4 | PC | 1988 | Ⅰ | | -| 14 | 万紅橋 | bridge | 夕張市 | 27.6 | PC | 1988 | Ⅰ | | -| 15 | 登川橋 | bridge | 夕張市 | 21 | PC | 1988 | Ⅰ | | -| 16 | 花園橋 | bridge | 夕張市 | 58.6 | Steel | 1971 | Ⅱ | | -| 17 | 登川トンネル | tunnel | 夕張市 | 348 | Mountain (sheet-pile) | 1978 | | | -| 18 | オマナイ橋 | bridge | むかわ町 | 174.2 | Steel | 1988 | Ⅲ | other repair | -| 19 | 桂木橋 | bridge | むかわ町 | 129.6 | Steel | 1986 | Ⅲ | main girder repair | -| 20 | 大和橋 | bridge | むかわ町 | 16 | PC | 1967 | Ⅲ | other attachment repair | -| 21 | 豊進橋 | bridge | むかわ町 | 16 | PC | 1967 | Ⅲ | deck slab repair | -| 22 | 豊里橋 | bridge | むかわ町 | 27 | PC | 1966 | Ⅰ | | -| 23 | 稲豊橋 | bridge | むかわ町 | 27 | PC | 1966 | Ⅰ | | -| 24 | 稲里橋 | bridge | むかわ町 | 31 | Steel | 1988 | Ⅱ | | -| 25 | 佐主橋 | bridge | むかわ町 | 85 | Steel | 1973 | Ⅲ | main girder and abutment repair | -| 26 | 長和トンネル | tunnel | むかわ町 | 281 | Mountain (sheet-pile) | 1983 | | | -| 27 | 穂別大橋 | bridge | むかわ町 | 506.2 | Steel | 1979 | Ⅲ | main girder and bearing repair | -| 28 | 山水橋 | bridge | むかわ町 | 53.5 | Steel | 1979 | Ⅰ | | -| 29 | 沼の沢橋 | bridge | むかわ町 | 188 | Steel | 1983 | Ⅲ | expansion joint repair | -| 30 | 稲里トンネル | tunnel | むかわ町 | 1441 | Other | 1985 | Ⅲ | spalling prevention | -| 31 | ペンケ橋 | bridge | むかわ町 | 120.7 | Steel | 1985 | Ⅲ | deck slab repair | -| 32 | 下福山橋 | bridge | むかわ町 | 129.9 | Steel | 1982 | Ⅰ | | -| 33 | オロロップ橋 | bridge | むかわ町 | 205.9 | Steel | 1983 | Ⅱ | | -| 34 | 福山橋 | bridge | むかわ町 | 134.7 | Steel | 1984 | Ⅲ | deck slab repair | -| 35 | 福山大橋 | bridge | むかわ町 | 160 | PC | 1968 | Ⅲ | main girder repair | -| 36 | 千坂橋 | bridge | むかわ町 | 138.7 | Steel | 1975 | Ⅱ | | -| 37 | オコタン橋 | bridge | むかわ町 | 338 | Steel | 1985 | Ⅰ | | -| 38 | モトツ橋 | bridge | むかわ町 | 62 | Steel | 1988 | Ⅱ | | -| 39 | モトツトンネル | tunnel | むかわ町 | 924 | Mountain (NATM) | 1991 | Ⅱ | | -| 40 | モトツシェルター | shed | むかわ町 | 62 | | 1990 | Ⅲ | attachment repair | -| 41 | 福山トンネル | tunnel | むかわ町 | 839 | Mountain (NATM) | 1991 | | | -| 42 | 福穂橋 | bridge | むかわ町 | 210 | Steel | 1990 | Ⅰ | | -| 43 | 穂高トンネル | tunnel | むかわ町 | 1991 | Mountain (NATM) | 1991 | Ⅱ | | -| 44 | 穂高橋 | bridge | 占冠村 | 140.6 | Steel | 1988 | Ⅱ | | -| 45 | 高翠橋 | bridge | 占冠村 | 114 | Steel | 1988 | Ⅰ | | -| 46 | 占翠橋 | bridge | 占冠村 | 167 | Steel | 1989 | Ⅰ | | -| 47 | 名石橋 | bridge | 占冠村 | 39.6 | Steel | 1970 | Ⅰ | | -| 48 | 赤岩大橋 | bridge | 占冠村 | 157.4 | Steel | 1970 | Ⅱ | | -| 49 | 渓流大橋 | bridge | 占冠村 | 153.7 | Steel | 1974 | Ⅲ | expansion joint repair | -| 50 | 日高トンネル | tunnel | 占冠村 | 730 | Mountain (sheet-pile) | 1972 | Ⅲ | lining panel repair | -| 51 | 日夕橋 | bridge | 日高町 | 30 | Steel | 1968 | Ⅰ | | -| 52 | 新川橋 | bridge | 日高町 | 3.6 | RC | 1993 | Ⅰ | | -| 53 | 唐沢橋 | bridge | 日高町 | 9.1 | PC | 2004 | Ⅱ | | -| 54 | 福本沢川橋 | bridge | 日高町 | 3 | RC | 1993 | Ⅰ | | +- **sequence alignment** — OSM tags each bridge and tunnel as its own way, so each has a + position and a geometric length. Aligning that ordered sequence against the register's + ordered lengths transfers the positions. 穂高トンネル lands within 9 m. +- **anchor** — where a bridge is named after the watercourse it crosses, the geometric + crossing point gives an independent position. These override the alignment. + +Confidence is the length agreement between register and OSM: high ≤12%, medium ≤35%, +low above that. Low rows are placed by order alone and should be treated as approximate. +唐沢橋 and 福本沢川橋 have no position at all — at 9.1 m and 3.0 m they are below the +size OSM splits into separate ways. + +| km | Name | Class | Location | Length (m) | Type | Built | Grade | Confidence | Basis | +|--:|---|---|---|--:|---|--:|:--:|---|---| +| 38.41 | 川端橋 | bridge | 由仁町 | 255 | PC | 1991 | Ⅰ | medium | sequence alignment | +| 41.86 | 雨霧橋 | bridge | 栗山町 | 280.7 | Steel | 1974 | Ⅱ | high | sequence alignment | +| 43.03 | 竜仙橋 | bridge | 由仁町 | 178 | Steel | 1972 | Ⅱ | high | sequence alignment | +| 44.00 | 草木橋 | bridge | 栗山町 | 24.1 | Steel | 1979 | Ⅲ | high | anchor: 草木舞沢川 crossing | +| 44.00 | 滝の上こ線橋 | bridge | 夕張市 | 47.6 | Steel | 1975 | Ⅲ | high | sequence alignment | +| 50.28 | 十三哩橋 | bridge | 夕張市 | 122 | Steel | 1997 | Ⅰ | high | anchor: 十三里信号場 at 49.71; unclaimed 173 m way | +| 52.11 | 瑞穂橋 | bridge | 夕張市 | 155 | Steel | 1968 | | high | anchor: 夕張川 crossing | +| 53.13 | 紅楓橋 | bridge | 夕張市 | 102.5 | Steel | 1958 | Ⅱ | medium | sequence alignment | +| 53.69 | ポン久留喜橋 | bridge | 夕張市 | 12.7 | PC | 1984 | Ⅰ | high | anchor: ポンクルキ川 crossing | +| 53.69 | 久留喜橋 | bridge | 夕張市 | 34 | RC | 1962 | | medium | sequence alignment | +| 55.41 | 楓橋 | bridge | 夕張市 | 32 | Steel | 1968 | Ⅲ | low | sequence alignment | +| 55.60 | 桂橋 | bridge | 夕張市 | 48.3 | PC | 1987 | Ⅰ | high | sequence alignment | +| 56.60 | 千紫橋 | bridge | 夕張市 | 31.4 | PC | 1988 | Ⅰ | low | sequence alignment | +| 57.25 | 万紅橋 | bridge | 夕張市 | 27.6 | PC | 1988 | Ⅰ | low | sequence alignment | +| 57.84 | 登川橋 | bridge | 夕張市 | 21 | PC | 1988 | Ⅰ | low | sequence alignment | +| 58.23 | 花園橋 | bridge | 夕張市 | 58.6 | Steel | 1971 | Ⅱ | high | sequence alignment | +| 60.29 | 登川トンネル | tunnel | 夕張市 | 348 | Mountain (sheet-pile) | 1978 | | high | sequence alignment | +| 62.36 | オマナイ橋 | bridge | むかわ町 | 174.2 | Steel | 1988 | Ⅲ | high | sequence alignment | +| 62.94 | 桂木橋 | bridge | むかわ町 | 129.6 | Steel | 1986 | Ⅲ | medium | sequence alignment | +| 64.44 | 大和橋 | bridge | むかわ町 | 16 | PC | 1967 | Ⅲ | low | sequence alignment | +| 66.69 | 豊進橋 | bridge | むかわ町 | 16 | PC | 1967 | Ⅲ | medium | sequence alignment | +| 67.48 | 豊里橋 | bridge | むかわ町 | 27 | PC | 1966 | Ⅰ | medium | sequence alignment | +| 67.60 | 稲豊橋 | bridge | むかわ町 | 27 | PC | 1966 | Ⅰ | low | sequence alignment | +| 68.63 | 稲里橋 | bridge | むかわ町 | 31 | Steel | 1988 | Ⅱ | low | sequence alignment | +| 69.48 | 佐主橋 | bridge | むかわ町 | 85 | Steel | 1973 | Ⅲ | medium | sequence alignment | +| 72.02 | 長和トンネル | tunnel | むかわ町 | 281 | Mountain (sheet-pile) | 1983 | | high | sequence alignment | +| 72.29 | 穂別大橋 | bridge | むかわ町 | 506.2 | Steel | 1979 | Ⅲ | high | sequence alignment | +| 72.90 | 山水橋 | bridge | むかわ町 | 53.5 | Steel | 1979 | Ⅰ | high | sequence alignment | +| 74.31 | 沼の沢橋 | bridge | むかわ町 | 188 | Steel | 1983 | Ⅲ | high | sequence alignment | +| 75.28 | 稲里トンネル | tunnel | むかわ町 | 1441 | Other | 1985 | Ⅲ | high | sequence alignment | +| 76.97 | ペンケ橋 | bridge | むかわ町 | 120.7 | Steel | 1985 | Ⅲ | medium | sequence alignment | +| 77.05 | オロロップ橋 | bridge | むかわ町 | 205.9 | Steel | 1983 | Ⅱ | high | anchor: オロロップ沢川 crossing | +| 78.03 | 下福山橋 | bridge | むかわ町 | 129.9 | Steel | 1982 | Ⅰ | medium | sequence alignment | +| 79.11 | 福山橋 | bridge | むかわ町 | 134.7 | Steel | 1984 | Ⅲ | medium | sequence alignment | +| 80.24 | 福山大橋 | bridge | むかわ町 | 160 | PC | 1968 | Ⅲ | high | anchor: 鵡川 crossing | +| 85.40 | 千坂橋 | bridge | むかわ町 | 138.7 | Steel | 1975 | Ⅱ | medium | sequence alignment | +| 85.87 | オコタン橋 | bridge | むかわ町 | 338 | Steel | 1985 | Ⅰ | high | sequence alignment | +| 86.16 | モトツ橋 | bridge | むかわ町 | 62 | Steel | 1988 | Ⅱ | high | anchor: パンケモトツ沢川 crossing | +| 86.24 | モトツトンネル | tunnel | むかわ町 | 924 | Mountain (NATM) | 1991 | Ⅱ | high | sequence alignment | +| 87.12 | モトツシェルター | shed | むかわ町 | 62 | | 1990 | Ⅲ | low | sequence alignment | +| 87.21 | 福山トンネル | tunnel | むかわ町 | 839 | Mountain (NATM) | 1991 | | high | sequence alignment | +| 88.04 | 福穂橋 | bridge | むかわ町 | 210 | Steel | 1990 | Ⅰ | high | sequence alignment | +| 88.25 | 穂高トンネル | tunnel | むかわ町 | 1991 | Mountain (NATM) | 1991 | Ⅱ | high | sequence alignment | +| 90.58 | 穂高橋 | bridge | 占冠村 | 140.6 | Steel | 1988 | Ⅱ | high | sequence alignment | +| 90.90 | 高翠橋 | bridge | 占冠村 | 114 | Steel | 1988 | Ⅰ | high | sequence alignment | +| 91.14 | 占翠橋 | bridge | 占冠村 | 167 | Steel | 1989 | Ⅰ | high | sequence alignment | +| 93.67 | 名石橋 | bridge | 占冠村 | 39.6 | Steel | 1970 | Ⅰ | low | sequence alignment | +| 94.35 | 赤岩大橋 | bridge | 占冠村 | 157.4 | Steel | 1970 | Ⅱ | high | sequence alignment | +| 95.37 | 渓流大橋 | bridge | 占冠村 | 153.7 | Steel | 1974 | Ⅲ | high | sequence alignment | +| 96.43 | 日高トンネル | tunnel | 占冠村 | 730 | Mountain (sheet-pile) | 1972 | Ⅲ | high | sequence alignment | +| 100.60 | 日夕橋 | bridge | 日高町 | 30 | Steel | 1968 | Ⅰ | high | anchor: パンケウシャップ川 crossing; route01 order | +| 103.12 | 新川橋 | bridge | 日高町 | 3.6 | RC | 1993 | Ⅰ | high | anchor: 新川 crossing | +| — | 唐沢橋 | bridge | 日高町 | 9.1 | PC | 2004 | Ⅱ | none | sequence alignment | +| — | 福本沢川橋 | bridge | 日高町 | 3 | RC | 1993 | Ⅰ | none | sequence alignment | + +### Watercourses the road meets + +Deduplicated to one row per name — the earlier count of 176 was the same rivers split +across many OSM ways. Offset is closest approach: under ~30 m means the road crosses it. + +| km | Offset (m) | Watercourse | +|--:|--:|---| +| 37.38 | 171 | ベリベツ川 | +| 40.90 | 49 | 砂金川 | +| 43.64 | 15 | 草木川 | +| 44.00 | 21 | 草木舞沢川 | +| 45.19 | 7 | カミの沢川 | +| 48.18 | 63 | チョポツナイ川 | +| 50.28 | 132 | カライケの沢川 | +| 52.11 | 16 | 夕張川 | +| 53.69 | 16 | ポンクルキ川 | +| 55.14 | 143 | シイタルキ川 | +| 58.26 | 9 | ホルカクルキ川 | +| 58.56 | 52 | 滝沢川 | +| 59.54 | 58 | 松竹沢川 | +| 62.46 | 6 | サヌシュッペ川 | +| 66.86 | 157 | 石山の沢川 | +| 70.22 | 32 | 穂別川 | +| 72.93 | 9 | 高西の沢川 | +| 77.05 | 15 | オロロップ沢川 | +| 80.24 | 53 | 鵡川 | +| 86.16 | 3 | パンケモトツ沢川 | +| 88.04 | 26 | ペンケモトツ沢川 | +| 93.73 | 30 | ニセイパオマナイ川 | +| 95.37 | 44 | 一の沢川 | +| 99.93 | 145 | 右の沢川 | +| 99.98 | 79 | ホロカワウシャップ川 | +| 100.66 | 21 | パンケウシャップ川 | +| 103.12 | 26 | 新川 | +| 104.39 | 15 | ペンケウシャップ川 | +| 105.99 | 181 | パンケユウケシュオマナイ川 | +| 106.47 | 52 | オワイタカ沢川 | +| 107.29 | 13 | 滝の沢川 | +| 107.95 | 153 | ルウケシオマナイ川 | ### PoI, in road order -| Distance (km) | Offset (m) | Kind | Name | +| km | Offset (m) | Kind | Name | |--:|--:|---|---| | 37.27 | 32 | place (neighbourhood) | 川端 | | 37.27 | 67 | railway station | 川端 | @@ -216,33 +266,6 @@ settling into 夕張市 — that alternation is in the register, not an error. | 107.95 | 43 | bus stop | 岩石橋入口 | | 107.95 | 103 | bus stop | 岩石橋入口 | -### Named watercourses in the corridor - -176 named rivers and streams come within 2 km of the road in this stretch. Most of the -bridges are named after them. Full list with distances in -`R274-PoI-kawabata-usappu.md`; first twenty by road order: - -- 36.83 km ベリベツ川 -- 36.83 km 夕張川 -- 37.25 km ベリベツ川 -- 37.25 km ベリベツ川 -- 37.25 km ベリベツ川 -- 37.25 km ベリベツ川 -- 37.25 km ベリベツ川 -- 37.25 km 光起川 -- 37.25 km 光起川 -- 37.25 km 光起川 -- 37.27 km ベリベツ川 -- 37.58 km 光起川 -- 37.67 km ベリベツ川 -- 38.12 km ベリベツ川 -- 38.41 km 夕張川 -- 38.82 km イタイベツ川 -- 39.15 km イタイベツ川 -- 39.80 km 夕張川 -- 40.51 km 夕張川 -- 40.81 km クマトビ沢川 - ### Things worth keeping in the text - **紅楓橋 1958** is the oldest structure in scope, and the furthest-upstream crossing