US Bridges

I-40 WB over I-44 under

Fair

Oklahoma County, Oklahoma · 5.4 MI N Canadian CO · Structure no. 170480000000000

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
994 ft
14 main spans
Daily traffic
56,150
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over I-44 under is a steel continuous stringer/multi-beam or girder carrying I-40 WB over I-44 under in Oklahoma County, Oklahoma. It was built in 1967, so it is 58 years old, older 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 5 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 56,150 vehicles a day, roughly 12% of them trucks, projected to reach 89,840 by 2042. The structure is 994 ft (303 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-40 WB
CrossesI-44 under
Location5.4 MI N Canadian CO
RouteInterstate 40
CountyOklahoma County
StateOklahoma
Coordinates35.46056, -97.57622
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans14 (+4 approach)
Design loadHS 20
Structure length994 ft (303 m)
Longest span62 ft (18.9 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,150 (2022)
Projected traffic89,840 by 2042
Trucks12%
Lanes on structure2
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$10.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 WB over I-44 under built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-40 WB over I-44 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 June 2024.

How much traffic does I-40 WB over I-44 under carry?

About 56,150 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-40 WB over I-44 under?

The structure is 994 ft (303 m) long with a longest span of 62 ft (18.9 m) and a deck 40 ft wide.

Who owns I-40 WB over I-44 under?

It is owned by the State Highway Agency.