US Bridges

I-44 WB over 31st St. under

Fair

Tulsa County, Oklahoma · .6 MI E JCT SH-51 · Structure no. 254150000000000

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
285 ft
3 main spans
Daily traffic
29,800
2022 count
Owner
State
State Highway Agency

About this bridge

I-44 WB over 31st St. under is a steel continuous stringer/multi-beam or girder carrying I-44 WB over 31st St. under in Tulsa County, Oklahoma. It was built in 1996, so it is 29 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 29,800 vehicles a day, roughly 12% of them trucks, projected to reach 47,680 by 2042. The structure is 285 ft (86.9 m) long and 88 ft wide.

CarriesI-44 WB
Crosses31st St. under
Location.6 MI E JCT SH-51
RouteInterstate 44
Coordinates36.11864, -95.8899
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating47.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span135 ft (41.1 m)
Deck width88 ft (26.8 m)
Roadway width85 ft (26 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,800 (2022)
Projected traffic47,680 by 2042
Trucks12%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-44 WB over 31st St. under built?

It was built in 1996, making it 29 years old in 2025.

What condition is I-44 WB over 31st St. under in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does I-44 WB over 31st St. under carry?

About 29,800 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-44 WB over 31st St. under?

The structure is 285 ft (86.9 m) long with a longest span of 135 ft (41.1 m) and a deck 88 ft wide.

Who owns I-44 WB over 31st St. under?

It is owned by the State Highway Agency.