Bison St over Little Muddy Crk
Mercer County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Bison St over Little Muddy Crk in Mercer County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2025.
- It carries about 35 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 62 of the 135 inventoried bridges in Mercer County rated good (45.9%); 23 (17.0%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (40.53111, -93.49222)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 9 | Excellent condition |
| Superstructure | 9 | Excellent condition |
| Substructure | 9 | Excellent condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 91 ft |
| Location | S 16 T 66 N R 23 W |
| NBI structure number | 37377 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Mercer County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 65 S over Wildcat CR | 2001 | 2,192 | Fair |
| US 136 E over Weldon Fk of Grand | 1971 | 1,917 | Fair |
| US 136 E over Grand Rvr Ovrfl | 1971 | 1,917 | Poor |
| US 136 E over W Muddy CR | 1971 | 1,221 | Fair |
| US 136 E over W Muddy CR | 1971 | 1,221 | Fair |
| US 136 E over Sandy CR | 1985 | 1,084 | Good |
All bridges nearby: Mercer County, MO bridge conditions · every bridge in Mercer County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.