US Bridges

I-35 over Red Branch Creek

Fair

Garvin County, Oklahoma · 1 MI N JCT SH 29 · Structure no. 172270000000000

Built
1968
57 years old, rebuilt 1981
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
3 main spans
Daily traffic
16,050
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 over Red Branch Creek is a steel stringer/multi-beam or girder carrying I-35 over Red Branch Creek in Garvin County, Oklahoma. It was built in 1968 and reconstructed in 1981, so it is 57 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 16,050 vehicles a day, roughly 36% of them trucks, projected to reach 25,680 by 2042. The structure is 121 ft (36.9 m) long and 40 ft wide.

CarriesI-35
CrossesRed Branch Creek
Location1 MI N JCT SH 29
RouteInterstate 35
Coordinates34.6656, -97.2233
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,050 (2022)
Projected traffic25,680 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 over Red Branch Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1981.

What condition is I-35 over Red Branch Creek 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 March 2024.

How much traffic does I-35 over Red Branch Creek carry?

About 16,050 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 over Red Branch Creek?

The structure is 121 ft (36.9 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns I-35 over Red Branch Creek?

It is owned by the State Highway Agency.