2636C over Creek
Grady County, Oklahoma · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 2636C over Creek in Grady County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1939, making it 86 years old at the 2025 inventory.
- It carries about 1,310 vehicles a day (traffic count year 2022).
- Its listed owner is a city or municipal highway agency.
- It is one of 31 of the 447 inventoried bridges in Grady County rated poor (6.9%); 31 (6.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: deck 5 to 6.
- Its most recent inspection on record is dated October 2024, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (34.78268, -97.951)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 42 ft |
| Location | 1 Mi E US 81 |
| NBI structure number | 071680000000000 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Grady County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Bailey A Tp (I-44) over Creek | 1963 | 19,300 | Good |
| Bailey A Tp (I-44) over Creek | 1963 | 19,300 | Good |
| Bailey A Tp (I-44) over U.S. 62 Under | 1963 | 19,300 | Fair |
| Bailey A Tp (I-44) over U.S. 81 Under | 1963 | 19,300 | Fair |
| Bailey A Tp (I-44) over Co. Rd. E1370 Under | 1964 | 19,300 | Good |
| Bailey A Tp (I-44) over Bitter Creek Oflow | 1964 | 19,300 | Good |
All bridges nearby: Grady County, OK bridge conditions · every bridge in Grady County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.