US Bridges

I-35 N.B. over Cow Creek

Fair

Noble County, Oklahoma · 6.4 MI N Payne C/L · Structure no. 144940000000000

Built
1959
66 years old, rebuilt 1979
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
275 ft
3 main spans
Daily traffic
8,100
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 N.B. over Cow Creek is a steel continuous stringer/multi-beam or girder carrying I-35 N.B. over Cow Creek in Noble County, Oklahoma. It was built in 1959 and reconstructed in 1979, so it is 66 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 8,100 vehicles a day, roughly 36% of them trucks, projected to reach 12,960 by 2042. The structure is 275 ft (83.8 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-35 N.B.
CrossesCow Creek
Location6.4 MI N Payne C/L
RouteInterstate 35
CountyNoble County
StateOklahoma
Coordinates36.25129, -97.32514
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating78 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length275 ft (83.8 m)
Longest span104 ft (31.7 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2022)
Projected traffic12,960 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$2.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 N.B. over Cow Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1979.

What condition is I-35 N.B. over Cow 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 July 2024.

How much traffic does I-35 N.B. over Cow Creek carry?

About 8,100 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 N.B. over Cow Creek?

The structure is 275 ft (83.8 m) long with a longest span of 104 ft (31.7 m) and a deck 40 ft wide.

Who owns I-35 N.B. over Cow Creek?

It is owned by the State Highway Agency.