Main St over Darr Valley
Reynolds County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Main St over Darr Valley in Reynolds County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1930 and reconstructed in 1990, making it 95 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2024).
- Its listed owner is a city or municipal highway agency.
- It is one of 65 of the 93 inventoried bridges in Reynolds County rated fair (69.9%); 7 (7.5%) 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 → (37.2401, -90.9701)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 37 ft |
| Location | S 5 T 29 N R 1 E |
| NBI structure number | 16649 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Reynolds County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 21 S over Darr Valley | 1967 | 1,959 | Fair |
| Mo 21 S over Sinking CR | 1968 | 1,932 | Fair |
| Mo 21 S over Logan CR | 1967 | 1,759 | Fair |
| Rt Kk S over Toms CR | 1967 | 1,692 | Fair |
| Mo 21 S over Sinking CR | 1968 | 1,393 | Fair |
| Mo 21 S over West Fork Black Rv | 2004 | 1,325 | Fair |
All bridges nearby: Reynolds County, MO bridge conditions · every bridge in Reynolds County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.