US Bridges

I-35 NB over Red River

Fair

Love County, Oklahoma · Tex-Ok S/L · Structure no. 139380000000000

Built
1957
68 years old, rebuilt 1984
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,272 ft
12 main spans
Daily traffic
24,350
2022 count
Owner
State
Other State Agency

About this bridge

I-35 NB over Red River is a steel continuous stringer/multi-beam or girder carrying I-35 NB over Red River in Love County, Oklahoma. It was built in 1957 and reconstructed in 1984, so it is 68 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 5 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 24,350 vehicles a day, roughly 36% of them trucks, projected to reach 31,600 by 2042. The structure is 1,272 ft (387.7 m) long and 40 ft wide.

CarriesI-35 NB
CrossesRed River
LocationTex-Ok S/L
RouteInterstate 35
Coordinates33.72903, -97.15751
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length1,272 ft (387.7 m)
Longest span106 ft (32.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,350 (2022)
Projected traffic31,600 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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$7.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 NB over Red River built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1984.

What condition is I-35 NB over Red River 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 2024.

How much traffic does I-35 NB over Red River carry?

About 24,350 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 NB over Red River?

The structure is 1,272 ft (387.7 m) long with a longest span of 106 ft (32.3 m) and a deck 40 ft wide.

Who owns I-35 NB over Red River?

It is owned by the Other State Agency.