US Bridges

I-35 Ramp S-W-N over I-35 E-S/ I-40 WB under

Fair

Oklahoma County, Oklahoma · 6 MI N Cleveland CO · Structure no. 220960000000000

Built
1988
37 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
968 ft
5 main spans
Daily traffic
25,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 Ramp S-W-N over I-35 E-S/ I-40 WB under is a steel continuous stringer/multi-beam or girder carrying I-35 Ramp S-W-N over I-35 E-S/ I-40 WB under in Oklahoma County, Oklahoma. It was built in 1988, so it is 37 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 25,000 vehicles a day, roughly 12% of them trucks, projected to reach 40,000 by 2042. The structure is 968 ft (295 m) long and 71 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI-35 Ramp S-W-N
CrossesI-35 E-S/ I-40 WB under
Location6 MI N Cleveland CO
RouteInterstate 35
CountyOklahoma County
StateOklahoma
Coordinates35.46163, -97.49237
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+1 approach)
Design loadHS 20
Structure length968 ft (295 m)
Longest span233 ft (71 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic25,000 (2022)
Projected traffic40,000 by 2042
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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$13.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 Ramp S-W-N over I-35 E-S/ I-40 WB under built?

It was built in 1988, making it 37 years old in 2025.

What condition is I-35 Ramp S-W-N over I-35 E-S/ I-40 WB 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 October 2024.

How much traffic does I-35 Ramp S-W-N over I-35 E-S/ I-40 WB under carry?

About 25,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 Ramp S-W-N over I-35 E-S/ I-40 WB under?

The structure is 968 ft (295 m) long with a longest span of 233 ft (71 m) and a deck 71 ft wide.

Who owns I-35 Ramp S-W-N over I-35 E-S/ I-40 WB under?

It is owned by the State Highway Agency.