US Bridges

I-35 SB over I-35 Ramp & I-40 WB Und

Good

Oklahoma County, Oklahoma · Top Lvl Br Ft. Smith Jct. · Structure no. 258230000000000

Built
2000
25 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
459 ft
3 main spans
Daily traffic
36,260
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 SB over I-35 Ramp & I-40 WB Und is a steel stringer/multi-beam or girder carrying I-35 SB over I-35 Ramp & I-40 WB Und in Oklahoma County, Oklahoma. It was built in 2000, so it is 25 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 36,260 vehicles a day, roughly 12% of them trucks, projected to reach 58,015 by 2042. The structure is 459 ft (139.9 m) long and 59 ft wide.

Location

Open in Google Maps
CarriesI-35 SB
CrossesI-35 Ramp & I-40 WB Und
LocationTop Lvl Br Ft. Smith Jct.
RouteInterstate 35
CountyOklahoma County
StateOklahoma
Coordinates35.46688, -97.46832
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length459 ft (139.9 m)
Longest span175 ft (53.3 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 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
CarriesOverpass structure at an interchange
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$8.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 SB over I-35 Ramp & I-40 WB Und built?

It was built in 2000, making it 25 years old in 2025.

What condition is I-35 SB over I-35 Ramp & I-40 WB Und in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does I-35 SB over I-35 Ramp & I-40 WB Und carry?

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

How long is I-35 SB over I-35 Ramp & I-40 WB Und?

The structure is 459 ft (139.9 m) long with a longest span of 175 ft (53.3 m) and a deck 59 ft wide.

Who owns I-35 SB over I-35 Ramp & I-40 WB Und?

It is owned by the State Highway Agency.