I-444 over 8TH St. Under
Tulsa County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-444 over 8TH St. Under in Tulsa 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 1979, making it 46 years old at the 2025 inventory.
- It carries about 46,000 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 530 of the 1,140 inventoried bridges in Tulsa County rated good (46.5%); 64 (5.6%) 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 June 2023, 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 → (36.15077, -95.98016)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 166 ft |
| Location | 0.5 Mi N SH 51 |
| NBI structure number | 196140000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| 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 Tulsa County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| S Mingo Rd over Haikey Creek West Branch | 2022 | 181,800 | Good |
| U.S. 169 over Mingo Creek | 1976 | 123,200 | Fair |
| U.S. 169 over Mingo Creek | 1976 | 123,200 | Good |
| U.S. 169 over S.H. 51 Under | 1976 | 123,200 | Fair |
| U.S. 169 over E 61 St S Under | 1988 | 123,200 | Fair |
| U.S. 169 over Creek | 1963 | 116,300 | Good |
All bridges nearby: Tulsa County, OK bridge conditions · every bridge in Tulsa County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.