US Bridges

U.S. 64 over Arkansas River

Fair

Pawnee County, Oklahoma · Osage-Pawnee C/L · Structure no. 158680000000000

Built
1963
62 years old, rebuilt 1995
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
996 ft
6 main spans
Daily traffic
16,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 64 over Arkansas River is a steel stringer/multi-beam or girder carrying U.S. 64 over Arkansas River in Pawnee County, Oklahoma. It was built in 1963 and reconstructed in 1995, so it is 62 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 16,000 vehicles a day, roughly 25% of them trucks, projected to reach 25,600 by 2042. The structure is 996 ft (303.6 m) long and 65 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesU.S. 64
CrossesArkansas River
LocationOsage-Pawnee C/L
RouteU.S. Route 64
CountyPawnee County
StateOklahoma
Coordinates36.18371, -96.26839
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
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 rating74.6 US tons
Inventory rating44.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length996 ft (303.6 m)
Longest span166 ft (50.6 m)
Deck width65 ft (19.8 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2022)
Projected traffic25,600 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes

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$15.7 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was U.S. 64 over Arkansas River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1995.

What condition is U.S. 64 over Arkansas 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 December 2023.

How much traffic does U.S. 64 over Arkansas River carry?

About 16,000 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is U.S. 64 over Arkansas River?

The structure is 996 ft (303.6 m) long with a longest span of 166 ft (50.6 m) and a deck 65 ft wide.

Who owns U.S. 64 over Arkansas River?

It is owned by the State Highway Agency.