US Bridges

I-44 E-S Ramp over S.H. 66 & S.H. 3 under

Fair

Oklahoma County, Oklahoma · 3.4 MI N I-40 · Structure no. 186100000000000

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
885 ft
9 main spans
Daily traffic
77,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-44 E-S Ramp over S.H. 66 & S.H. 3 under is a steel continuous stringer/multi-beam or girder carrying I-44 E-S Ramp over S.H. 66 & S.H. 3 under in Oklahoma County, Oklahoma. It was built in 1973, so it is 52 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 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 77,000 vehicles a day, roughly 12% of them trucks, projected to reach 123,200 by 2042. The structure is 885 ft (269.7 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-44 E-S Ramp
CrossesS.H. 66 & S.H. 3 under
Location3.4 MI N I-40
RouteInterstate 44
CountyOklahoma County
StateOklahoma
Coordinates35.50958, -97.57625
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length885 ft (269.7 m)
Longest span143 ft (43.6 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,000 (2022)
Projected traffic123,200 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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$9.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-44 E-S Ramp over S.H. 66 & S.H. 3 under built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-44 E-S Ramp over S.H. 66 & S.H. 3 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-44 E-S Ramp over S.H. 66 & S.H. 3 under carry?

About 77,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-44 E-S Ramp over S.H. 66 & S.H. 3 under?

The structure is 885 ft (269.7 m) long with a longest span of 143 ft (43.6 m) and a deck 44 ft wide.

Who owns I-44 E-S Ramp over S.H. 66 & S.H. 3 under?

It is owned by the State Highway Agency.