Bridge conditions in Linn County, Kansas
257 inventoried bridges · 13 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
13 of the 257 bridges the federal inventory lists in Linn County are rated poor; the rest split 165 good and 79 fair.
- 13 of the 257 bridges in Linn County, Kansas, are rated in poor condition (5.1%) in the 2025 National Bridge Inventory, as of .
- 165 bridges (64.2%) are rated good and 79 (30.7%) fair.
- The median Linn County bridge was built in 1979.
- The busiest poor-rated bridge is Rs 1204 26 over Little Sugar Creek (built 1966), carrying about 164 vehicles a day.
Good 64.2% · Fair 30.7% · Poor 5.1% of 257 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rs 1204 26 over Little Sugar Creek | 1966 | 164 | Poor |
| Local Rd. 55 over Mine Creek | 1930 | 100 | Poor |
| Local Rd. 52 over Little Sugar Creek | 1913 | 40 | Poor |
| Local Rd. 16 over Middle Creek | 1937 | 30 | Poor |
| Local Rd. 18A over Trib. to Goodrich Creek | 1985 | 25 | Poor |
| Local Rd. 8 over Middle Creek | 1914 | 20 | Poor |
| Local Rd. 72A over Trib to Laberdie Creek | 1935 | 20 | Poor |
| Local Rd. 31 over Big Sugar Creek | 1970 | 20 | Poor |
| Local Rd. 32 over Trib. Marais Des Cygnes | 1984 | 20 | Poor |
| Local Rd. 2 over Trib. to Middle Creek | 1920 | 15 | Poor |
| Local Rd. 5 over BNSF Railroad | 1957 | 10 | Poor |
| Local Rd. 21 over Landers Creek | 1920 | 5 | Poor |
| Local Rd. 44 over Mine Creek | 1914 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U-69 Hwy NB over East 2400 Road | 2005 | 3,791 | Good |
| U-69 Hwy SB over East 2400 Road | 2008 | 3,791 | Good |
| US69 Hwy NB over K152 Hwy | 1964 | 3,109 | Good |
| US69 Hwy SB over North Sugar Creek | 1982 | 3,109 | Good |
| U-69 Hwy NB over North Sugar Creek | 2006 | 3,109 | Good |
| U-69 Hwy SB over K-152 Hwy | 2005 | 3,109 | Good |
| US-69 Hwy over Marias Des Cygnes R Trib | 2007 | 3,109 | Good |
| US69 Hwy over Muddy Creek | 1984 | 3,068 | Good |
| US69 Hwy NB over Big Sugar Creek | 1979 | 3,063 | Good |
| US-69 Hwy NB over MARIAS DES CYGNES & Road | 2007 | 3,063 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Kansas: Kansas bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.