Co. Rd. N3560 over Cimarron Tp Under
Pawnee County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Co. Rd. N3560 over Cimarron Tp Under in Pawnee County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 5,570 vehicles a day (traffic count year 2022).
- It is one of 82 of the 174 inventoried bridges in Pawnee County rated good (47.1%); 32 (18.4%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (36.22489, -96.65977)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 152 ft |
| Location | 1.5 Mis SE Maramec |
| NBI structure number | 185140000000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Pawnee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 64 over Arkansas River | 1963 | 16,000 | Fair |
| U.S. 64 over Cedar Creek | 2021 | 8,734 | Good |
| Cimarron Tp over Creek | 1973 | 8,600 | Good |
| Cimarron Tp over No Name Creek | 1973 | 8,600 | Fair |
| Cimarron Tp over BNSF R.R. | 1973 | 8,600 | Fair |
| Cimarron Tp over Cowskin Creek | 1973 | 8,600 | Good |
All bridges nearby: Pawnee County, OK bridge conditions · every bridge in Pawnee County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.