US Bridges

I-35 NB over Cimarron River Oflow

Fair

Payne County, Oklahoma · 0.2 MI N Logan C/L · Structure no. 221020000000000

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,364 ft
17 main spans
Daily traffic
10,150
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 NB over Cimarron River Oflow is a prestressed concrete stringer/multi-beam or girder carrying I-35 NB over Cimarron River Oflow in Payne County, Oklahoma. It was built in 1989, so it is 36 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 10,150 vehicles a day, roughly 36% of them trucks, projected to reach 16,240 by 2042. The structure is 1,364 ft (415.8 m) long and 42 ft wide.

CarriesI-35 NB
CrossesCimarron River Oflow
Location0.2 MI N Logan C/L
RouteInterstate 35
Coordinates35.9908, -97.35194
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
Deck7 GoodSome minor problems.
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating45.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20
Structure length1,364 ft (415.8 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,150 (2022)
Projected traffic16,240 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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$7.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 NB over Cimarron River Oflow built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-35 NB over Cimarron River 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 January 2024.

How much traffic does I-35 NB over Cimarron River Oflow carry?

About 10,150 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 NB over Cimarron River Oflow?

The structure is 1,364 ft (415.8 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns I-35 NB over Cimarron River Oflow?

It is owned by the State Highway Agency.