Irr 4630C over Little Mill Creek
McIntosh County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr 4630C over Little Mill Creek in McIntosh County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1982, making it 43 years old at the 2025 inventory.
- It carries about 150 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 132 of the 200 inventoried bridges in McIntosh County rated fair (66.0%); 14 (7.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated August 2024, on a 12-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 → (35.25644, -95.69857)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 44 ft |
| Location | 2.3s;1e of Vivian |
| NBI structure number | 201210000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in McIntosh County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 69 over N. Canadian River(eufala | 1962 | 17,600 | Fair |
| U.S. 69 over Town Branch | 1974 | 17,000 | Fair |
| U.S. 69 over Creek | 1974 | 16,500 | Good |
| U.S. 69 over Post Creek | 1978 | 14,900 | Fair |
| U.S. 69 over S. Canadian River | 1962 | 14,800 | Fair |
| U.S. 69 over UP R.R. Under | 1965 | 14,800 | Fair |
All bridges nearby: McIntosh County, OK bridge conditions · every bridge in McIntosh County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.