U.S. 75 NB over 56th St. under
GoodTulsa County, Oklahoma · 5.9 MI N I-244 · Structure no. 182660000000000
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 100 ft
- 1 main span
- Daily traffic
- 16,400
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. 75 NB over 56th St. under is a prestressed concrete stringer/multi-beam or girder carrying U.S. 75 NB over 56th St. under in Tulsa County, Oklahoma. It was built in 1972, so it is 53 years old, older than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 16,400 vehicles a day, roughly 8% of them trucks, projected to reach 26,240 by 2042. The structure is 100 ft (30.5 m) long and 58 ft wide.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. 75 NB over 56th St. under built?
It was built in 1972, making it 53 years old in 2025.
What condition is U.S. 75 NB over 56th St. under in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does U.S. 75 NB over 56th St. under carry?
About 16,400 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is U.S. 75 NB over 56th St. under?
The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 58 ft wide.
Who owns U.S. 75 NB over 56th St. under?
It is owned by the State Highway Agency.