US Bridges

I-35 over Salt Fk Ark Rvr Oflow

Fair

Kay County, Oklahoma · 5.5 MI N Noble C/L · Structure no. 143560000000000

Built
1962
63 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
71 ft
5 main spans
Daily traffic
17,500
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 over Salt Fk Ark Rvr Oflow is a concrete culvert carrying I-35 over Salt Fk Ark Rvr Oflow in Kay County, Oklahoma. It was built in 1962, so it is 63 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 17,500 vehicles a day, roughly 36% of them trucks, projected to reach 28,000 by 2042. The structure is 71 ft (21.6 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesI-35
CrossesSalt Fk Ark Rvr Oflow
Location5.5 MI N Noble C/L
RouteInterstate 35
Coordinates36.67372, -97.34559
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: 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 rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2022)
Projected traffic28,000 by 2042
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed18 mi (29 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$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 over Salt Fk Ark Rvr Oflow built?

It was built in 1962, making it 63 years old in 2025.

What condition is I-35 over Salt Fk Ark Rvr Oflow 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 November 2023.

How much traffic does I-35 over Salt Fk Ark Rvr Oflow carry?

About 17,500 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 over Salt Fk Ark Rvr Oflow?

The structure is 71 ft (21.6 m) long with a longest span of 12 ft (3.7 m).

Who owns I-35 over Salt Fk Ark Rvr Oflow?

It is owned by the State Highway Agency.