I-44 WB over 21st St. under
GoodTulsa County, Oklahoma · 2.1 MI E JCT SH 51 · Structure no. 226740000000000
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 288 ft
- 3 main spans
- Daily traffic
- 30,350
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-44 WB over 21st St. under is a steel continuous stringer/multi-beam or girder carrying I-44 WB over 21st St. under in Tulsa County, Oklahoma. It was built in 1990, so it is 35 years old, younger 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 30,350 vehicles a day, roughly 12% of them trucks, projected to reach 48,560 by 2042. The structure is 288 ft (87.8 m) long and 68 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-44 WB over 21st St. under built?
It was built in 1990, making it 35 years old in 2025.
What condition is I-44 WB over 21st 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 September 2024.
How much traffic does I-44 WB over 21st St. under carry?
About 30,350 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is I-44 WB over 21st St. under?
The structure is 288 ft (87.8 m) long with a longest span of 134 ft (40.8 m) and a deck 68 ft wide.
Who owns I-44 WB over 21st St. under?
It is owned by the State Highway Agency.