US Bridges

I-35 over Main St. under

Fair

Cleveland County, Oklahoma · 10.6 MI N Mcclain C/L · Structure no. 167460000000000

Built
1966
59 years old, rebuilt 2002
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
135 ft
3 main spans
Daily traffic
113,500
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 over Main St. under is a steel stringer/multi-beam or girder carrying I-35 over Main St. under in Cleveland County, Oklahoma. It was built in 1966 and reconstructed in 2002, so it is 59 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 113,500 vehicles a day, roughly 12% of them trucks, projected to reach 181,600 by 2042. The structure is 135 ft (41 m) long and 124 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesI-35
CrossesMain St. under
Location10.6 MI N Mcclain C/L
RouteInterstate 35
CountyCleveland County
StateOklahoma
Coordinates35.33844, -97.49188
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 2023
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 rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41 m)
Longest span72 ft (22 m)
Deck width124 ft (37.8 m)
Roadway width121 ft (37 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113,500 (2022)
Projected traffic181,600 by 2042
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed18 mi (29 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$4.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 over Main St. under built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2002.

What condition is I-35 over Main St. 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 2023.

How much traffic does I-35 over Main St. under carry?

About 113,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 over Main St. under?

The structure is 135 ft (41 m) long with a longest span of 72 ft (22 m) and a deck 124 ft wide.

Who owns I-35 over Main St. under?

It is owned by the State Highway Agency.