US Bridges

I-35 NB over S.H. 142 under

Fair

Carter County, Oklahoma · 2.1 MI N JCT US70 · Structure no. 165710000000000

Built
1965
60 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete Continuous
Length
179 ft
4 main spans
Daily traffic
16,800
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 NB over S.H. 142 under is a concrete continuous slab carrying I-35 NB over S.H. 142 under in Carter County, Oklahoma. It was built in 1965, so it is 60 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 16,800 vehicles a day, roughly 12% of them trucks, projected to reach 26,880 by 2042. The structure is 179 ft (54.6 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-35 NB
CrossesS.H. 142 under
Location2.1 MI N JCT US70
RouteInterstate 35
CountyCarter County
StateOklahoma
Coordinates34.20182, -97.16374
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating63.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span57 ft (17.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2022)
Projected traffic26,880 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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 NB over S.H. 142 under built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-35 NB over S.H. 142 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 January 2023.

How much traffic does I-35 NB over S.H. 142 under carry?

About 16,800 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 NB over S.H. 142 under?

The structure is 179 ft (54.6 m) long with a longest span of 57 ft (17.4 m) and a deck 40 ft wide.

Who owns I-35 NB over S.H. 142 under?

It is owned by the State Highway Agency.