US Bridges

I-35 NB over U.S. 77 under

Good

Love County, Oklahoma · 1.2 MI N Tx S/L · Structure no. 277740000000000

Built
2005
20 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
185 ft
3 main spans
Daily traffic
19,750
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 NB over U.S. 77 under is a prestressed concrete stringer/multi-beam or girder carrying I-35 NB over U.S. 77 under in Love County, Oklahoma. It was built in 2005, so it is 20 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 19,750 vehicles a day, roughly 36% of them trucks, projected to reach 31,600 by 2042. The structure is 185 ft (56.4 m) long and 60 ft wide.

Location

Open in Google Maps
CarriesI-35 NB
CrossesU.S. 77 under
Location1.2 MI N Tx S/L
RouteInterstate 35
CountyLove County
StateOklahoma
Coordinates33.73798, -97.14564
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length185 ft (56.4 m)
Longest span83 ft (25.3 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,750 (2022)
Projected traffic31,600 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$4.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 2005, making it 20 years old in 2025.

What condition is I-35 NB over U.S. 77 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 U.S. 77 under carry?

About 19,750 vehicles per day (2022 count), of which roughly 36% are trucks.

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

The structure is 185 ft (56.4 m) long with a longest span of 83 ft (25.3 m) and a deck 60 ft wide.

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

It is owned by the State Highway Agency.