Iron Bridge Rd over Dousinbury CR
Dallas County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Iron Bridge Rd over Dousinbury CR in Dallas 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 2007, making it 18 years old at the 2025 inventory.
- It carries about 250 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 75 of the 114 inventoried bridges in Dallas County rated fair (65.8%); 11 (9.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (deck 7 to 6).
- Its most recent inspection on record is dated March 2024, on a 24-month routine inspection cycle.
- 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 → (37.58996, -92.8735)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 45 ft |
| Location | S 11 T 33 N R 18 W |
| NBI structure number | 32135 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Dallas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 65 S over Wilson CR | 1992 | 9,071 | Fair |
| US 65 S over Buffalo CR | 1992 | 7,502 | Fair |
| US 65 S over Hankens CR | 1992 | 7,502 | Fair |
| US 65 S over Br of Lindley CR | 1928 | 5,307 | Fair |
| US 65 S over Lindley CR | 1928 | 5,290 | Fair |
| US 65 S over Br of Lindley CR | 1928 | 5,290 | Fair |
All bridges nearby: Dallas County, MO bridge conditions · every bridge in Dallas County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.