US Bridges

I-35 S.B. over Black Bear Creek

Fair

Noble County, Oklahoma · 5.1 MI N JCT US 77 · Structure no. 153780000000000

Built
1961
64 years old, rebuilt 1975
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
341 ft
4 main spans
Daily traffic
8,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 S.B. over Black Bear Creek is a steel continuous stringer/multi-beam or girder carrying I-35 S.B. over Black Bear Creek in Noble County, Oklahoma. It was built in 1961 and reconstructed in 1975, so it is 64 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 8,000 vehicles a day, roughly 36% of them trucks, projected to reach 12,800 by 2042. The structure is 341 ft (103.9 m) long and 42 ft wide.

CarriesI-35 S.B.
CrossesBlack Bear Creek
Location5.1 MI N JCT US 77
RouteInterstate 35
Coordinates36.34883, -97.32714
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length341 ft (103.9 m)
Longest span85 ft (25.9 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2022)
Projected traffic12,800 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$2.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 S.B. over Black Bear Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1975.

What condition is I-35 S.B. over Black Bear 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 April 2024.

How much traffic does I-35 S.B. over Black Bear Creek carry?

About 8,000 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 S.B. over Black Bear Creek?

The structure is 341 ft (103.9 m) long with a longest span of 85 ft (25.9 m) and a deck 42 ft wide.

Who owns I-35 S.B. over Black Bear Creek?

It is owned by the State Highway Agency.