US Bridges

I-35 over Red Rock CR Oflow & RD

Fair

Noble County, Oklahoma · 4.5 MI N JCT US 412 · Structure no. 149670000000000

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
17,100
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 over Red Rock CR Oflow & RD is a concrete culvert carrying I-35 over Red Rock CR Oflow & RD in Noble County, Oklahoma. It was built in 1960, so it is 65 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 17,100 vehicles a day, roughly 36% of them trucks, projected to reach 27,360 by 2042. The structure is 45 ft (13.8 m) long and 110 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesI-35
CrossesRed Rock CR Oflow & RD
Location4.5 MI N JCT US 412
RouteInterstate 35
CountyNoble County
StateOklahoma
Coordinates36.47791, -97.32686
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length45 ft (13.8 m)
Longest span17 ft (5.2 m)
Deck width110 ft (33.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,100 (2022)
Projected traffic27,360 by 2042
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed24.2 mi (39 km)
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 over Red Rock CR Oflow & RD built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-35 over Red Rock CR Oflow & RD 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 over Red Rock CR Oflow & RD carry?

About 17,100 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 over Red Rock CR Oflow & RD?

The structure is 45 ft (13.8 m) long with a longest span of 17 ft (5.2 m) and a deck 110 ft wide.

Who owns I-35 over Red Rock CR Oflow & RD?

It is owned by the State Highway Agency.