County Rd 136 over Trib to Long Br
Audrain County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 136 over Trib to Long Br in Audrain County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2011, making it 14 years old at the 2025 inventory.
- It carries about 35 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 133 of the 315 inventoried bridges in Audrain County rated good (42.2%); 13 (4.1%) 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 → (39.30689, -92.17461)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 7 | Good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 40 ft |
| Location | S 8 T 52 N R 11 W |
| NBI structure number | 33825 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Audrain County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 15 S over Hamilton CR | 1929 | 11,448 | Fair |
| Mo 15 S over US 54 | 1991 | 8,255 | Fair |
| Clark St over NS RR | 1995 | 8,000 | Fair |
| US 54 E over W Fork Bean CR | 1932 | 6,929 | Fair |
| Bu 54 E over C & A Lake | 1922 | 6,481 | Fair |
| Bu 54 E over S. Fork Salt River | 1924 | 6,481 | Fair |
All bridges nearby: Audrain County, MO bridge conditions · every bridge in Audrain County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.