I-44 SB over Slwc R.R. Under
Comanche County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-44 SB over Slwc R.R. Under in Comanche County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1964 and reconstructed in 2024, making it 61 years old at the 2025 inventory.
- It carries about 11,050 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 199 of the 594 inventoried bridges in Comanche County rated good (33.5%); 53 (8.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now good (deck 6 to 8, substructure 5 to 8).
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- 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 → (34.61609, -98.38414)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 8 | Very good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 170 ft |
| Location | 4.7 MI.NE.JCT.US281B |
| NBI structure number | 161060000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Comanche County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Cache Rd. W-n I-44 over I-44 NB Ramp S-w Under | 1955 | 30,700 | Fair |
| Fau 7760 (cache Rd over Meadowbrook Creek | 1980 | 27,550 | Fair |
| I-44 over Sitting Bear Creek | 1952 | 26,600 | Fair |
| I-44 over Creek | 1959 | 26,600 | Good |
| I-44 Ramp N-w over Post Rd. Under | 2007 | 26,600 | Fair |
| I-44 over Creek | 1980 | 25,200 | Good |
All bridges nearby: Comanche County, OK bridge conditions · every bridge in Comanche County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.