US Bridges

I-40 EB over S.H. 58 under

Fair

Caddo County, Oklahoma · 3.0 MI E Custer C/L · Structure no. 143630000000000

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
9,850
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 EB over S.H. 58 under is a concrete continuous slab carrying I-40 EB over S.H. 58 under in Caddo County, Oklahoma. It was built in 1959, so it is 66 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 9,850 vehicles a day, roughly 43% of them trucks, projected to reach 15,760 by 2042. The structure is 102 ft (31.1 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI-40 EB
CrossesS.H. 58 under
Location3.0 MI E Custer C/L
RouteInterstate 40
CountyCaddo County
StateOklahoma
Coordinates35.53622, -98.57103
Functional classRural 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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,850 (2022)
Projected traffic15,760 by 2042
Trucks43%
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$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 EB over S.H. 58 under built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-40 EB over S.H. 58 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-40 EB over S.H. 58 under carry?

About 9,850 vehicles per day (2022 count), of which roughly 43% are trucks.

How long is I-40 EB over S.H. 58 under?

The structure is 102 ft (31.1 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns I-40 EB over S.H. 58 under?

It is owned by the State Highway Agency.