Bridge conditions in Lafayette County, Missouri
239 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Lafayette County tracks close to typical: 10 of its 239 inventoried bridges (4.2%) are rated poor, against a national rate of about 7%.
- 10 of the 239 bridges in Lafayette County, Missouri, are rated in poor condition (4.2%) in the 2025 National Bridge Inventory, as of .
- 77 bridges (32.2%) are rated good and 152 (63.6%) fair.
- The median Lafayette County bridge was built in 1990.
- The busiest poor-rated bridge is Is 70 W over Lt Hrshoe CR (built 1963), carrying about 22,696 vehicles a day.
Good 32.2% · Fair 63.6% · Poor 4.2% of 239 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 |
|---|---|---|---|
| Is 70 W over Lt Hrshoe CR | 1963 | 22,696 | Poor |
| Is 70 W over Kcs RR | 1963 | 17,593 | Poor |
| Is 70 E over Kcs RR | 1950 | 17,483 | Poor |
| Is 70 E over Davis CR | 1963 | 16,239 | Poor |
| Mo 131 S over Is 70 | 1963 | 7,100 | Poor |
| Rt D S over Is 70 | 1963 | 4,531 | Poor |
| Mo 20 E over CR | 1928 | 1,791 | Poor |
| Mo 20 E over Salt Fk CR | 1969 | 1,619 | Poor |
| Rt Y S over Is 70 | 1960 | 924 | Poor |
| Rt U E over Blackjack CR | 1958 | 542 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 70 E over Witchet CR | 1960 | 34,521 | Fair |
| Is 70 W over Horseshoe CR | 1963 | 22,696 | Fair |
| Is 70 W over Lt Hrshoe CR | 1963 | 22,696 | Poor |
| Is 70 E over Horseshoe CR | 1951 | 21,839 | Fair |
| Is 70 E over Lit Horseshoe CR | 1951 | 21,839 | Fair |
| Is 70 W over Sni-a-bar CR | 1963 | 19,225 | Fair |
| Is 70 E over Crd Underpass Rd | 2018 | 17,841 | Good |
| Is 70 W over Kcs RR | 1963 | 17,593 | Poor |
| Is 70 E over Kcs RR | 1950 | 17,483 | Poor |
| Is 70 W over Crd Underpass Rd | 2018 | 16,680 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Missouri: Missouri 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.