US Bridges

I-35 NB over S.H. 77 Scenic under

Good

Love County, Oklahoma · Carter C/L · Structure no. 164830000000000

Built
1965
60 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete Continuous
Length
109 ft
3 main spans
Daily traffic
13,400
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 NB over S.H. 77 Scenic under is a concrete continuous slab carrying I-35 NB over S.H. 77 Scenic under in Love 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 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 13,400 vehicles a day, roughly 36% of them trucks, projected to reach 21,440 by 2042. The structure is 109 ft (33.2 m) long and 40 ft wide.

Location

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CarriesI-35 NB
CrossesS.H. 77 Scenic under
LocationCarter C/L
RouteInterstate 35
CountyLove County
StateOklahoma
Coordinates34.07116, -97.14941
Functional classRural 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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span44 ft (13.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,400 (2022)
Projected traffic21,440 by 2042
Trucks36%
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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 NB over S.H. 77 Scenic under built?

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

What condition is I-35 NB over S.H. 77 Scenic under 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 January 2023.

How much traffic does I-35 NB over S.H. 77 Scenic under carry?

About 13,400 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 NB over S.H. 77 Scenic under?

The structure is 109 ft (33.2 m) long with a longest span of 44 ft (13.4 m) and a deck 40 ft wide.

Who owns I-35 NB over S.H. 77 Scenic under?

It is owned by the State Highway Agency.