US Bridges

I-35 over Chikaskia River

Fair

Kay County, Oklahoma · 6.7 MI N JCT SH-11 · Structure no. 264150000000000

Built
2003
22 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
656 ft
5 main spans
Daily traffic
7,600
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 over Chikaskia River is a prestressed concrete stringer/multi-beam or girder carrying I-35 over Chikaskia River in Kay County, Oklahoma. It was built in 2003, so it is 22 years old, younger 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 7,600 vehicles a day, roughly 36% of them trucks, projected to reach 12,160 by 2042. The structure is 656 ft (199.9 m) long and 40 ft wide.

CarriesI-35
CrossesChikaskia River
Location6.7 MI N JCT SH-11
RouteInterstate 35
Coordinates36.90661, -97.35296
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length656 ft (199.9 m)
Longest span131 ft (39.9 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2022)
Projected traffic12,160 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$4.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 over Chikaskia River built?

It was built in 2003, making it 22 years old in 2025.

What condition is I-35 over Chikaskia River 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 May 2024.

How much traffic does I-35 over Chikaskia River carry?

About 7,600 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 over Chikaskia River?

The structure is 656 ft (199.9 m) long with a longest span of 131 ft (39.9 m) and a deck 40 ft wide.

Who owns I-35 over Chikaskia River?

It is owned by the State Highway Agency.