Martin Rd over Jake Branch
Miller County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Martin Rd over Jake Branch in Miller County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 2020, making it 5 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 73 of the 142 inventoried bridges in Miller County rated fair (51.4%); 16 (11.3%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.09235, -92.48864)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 9 | Excellent condition |
| Superstructure | 9 | Excellent condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 24 ft |
| Location | S 24 T 39 N R 14 W |
| NBI structure number | 36937 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Miller County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 54 E over Dry Br | 1973 | 22,009 | Fair |
| US 54 E over Saline CR | 1973 | 14,647 | Fair |
| US 54 E over Cst Wilmore Ln | 2020 | 12,660 | Good |
| US 54 E over Osage Rvr | 2003 | 12,643 | Fair |
| US 54 W over Osage Rvr | 1966 | 12,534 | Fair |
| US 54 W over Cst Connector Rd | 2020 | 12,534 | Good |
All bridges nearby: Miller County, MO bridge conditions · every bridge in Miller County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.