US Bridges

I-44 over S.W. 74th St. under

Fair

Oklahoma County, Oklahoma · 1 MI N Cleveland Co. · Structure no. 160330000000000

Built
1964
61 years old, rebuilt 1974
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
30,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-44 over S.W. 74th St. under is a concrete continuous slab carrying I-44 over S.W. 74th St. under in Oklahoma County, Oklahoma. It was built in 1964 and reconstructed in 1974, so it is 61 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 30,250 vehicles a day, roughly 12% of them trucks, projected to reach 48,400 by 2042. The structure is 135 ft (41.1 m) long and 51 ft wide.

Location

Open in Google Maps
CarriesI-44
CrossesS.W. 74th St. under
Location1 MI N Cleveland Co.
RouteInterstate 44
CountyOklahoma County
StateOklahoma
Coordinates35.39149, -97.57431
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span63 ft (19.2 m)
Deck width51 ft (15.6 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,250 (2022)
Projected traffic48,400 by 2042
Trucks12%
Lanes on structure3
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$2.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-44 over S.W. 74th St. under built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1974.

What condition is I-44 over S.W. 74th 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 November 2023.

How much traffic does I-44 over S.W. 74th St. under carry?

About 30,250 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-44 over S.W. 74th St. under?

The structure is 135 ft (41.1 m) long with a longest span of 63 ft (19.2 m) and a deck 51 ft wide.

Who owns I-44 over S.W. 74th St. under?

It is owned by the State Highway Agency.