US Bridges

I-35 NB over I-40 EB Ramp& I-40 Eb&wb

Fair

Oklahoma County, Oklahoma · S. Edge Ft. Smith Jct. · Structure no. 255330000000000

Built
1999
26 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,797 ft
1 main span
Daily traffic
36,260
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 NB over I-40 EB Ramp& I-40 Eb&wb is a steel stringer/multi-beam or girder carrying I-35 NB over I-40 EB Ramp& I-40 Eb&wb in Oklahoma County, Oklahoma. It was built in 1999, so it is 26 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 36,260 vehicles a day, roughly 12% of them trucks, projected to reach 58,015 by 2042. The structure is 1,797 ft (547.7 m) long and 47 ft wide.

CarriesI-35 NB
CrossesI-40 EB Ramp& I-40 Eb&wb
LocationS. Edge Ft. Smith Jct.
RouteInterstate 35
Coordinates35.46415, -97.46987
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 inspectionAugust 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

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+12 approach)
Design loadHS 20
Structure length1,797 ft (547.7 m)
Longest span202 ft (61.6 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,260 (2022)
Projected traffic58,015 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$7.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 NB over I-40 EB Ramp& I-40 Eb&wb built?

It was built in 1999, making it 26 years old in 2025.

What condition is I-35 NB over I-40 EB Ramp& I-40 Eb&wb 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 August 2024.

How much traffic does I-35 NB over I-40 EB Ramp& I-40 Eb&wb carry?

About 36,260 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 NB over I-40 EB Ramp& I-40 Eb&wb?

The structure is 1,797 ft (547.7 m) long with a longest span of 202 ft (61.6 m) and a deck 47 ft wide.

Who owns I-35 NB over I-40 EB Ramp& I-40 Eb&wb?

It is owned by the State Highway Agency.