N3720 over Turkey Creek
Coal County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N3720 over Turkey Creek in Coal County, Oklahoma, 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 1984, making it 41 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 82 of the 143 inventoried bridges in Coal County rated fair (57.3%); 9 (6.3%) 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 January 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 → (34.63196, -96.38951)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 56 ft |
| Location | 2 E & 2 N of Tupelo |
| NBI structure number | 207260000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 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 Coal County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 75 over Creek | 1932 | 4,600 | Fair |
| U.S. 75 over Creek | 1932 | 4,100 | Good |
| U.S. 75 over Briar Creek | 1932 | 4,100 | Fair |
| U.S. 75 over Creek | 1949 | 4,100 | Fair |
| U.S. 75 over Caney Creek | 2022 | 4,000 | Good |
| S.H. 3 over Abandoned R.R. Under | 1977 | 3,800 | Fair |
All bridges nearby: Coal County, OK bridge conditions · every bridge in Coal County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.