US Bridges

U.S. 385 over Beaver River

Fair

Cimarron County, Oklahoma · 2.8 S of Jct. U.S. 64 · Structure no. 315080000000000

Built
2018
7 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
500 ft
5 main spans
Daily traffic
625
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 385 over Beaver River is a prestressed concrete stringer/multi-beam or girder carrying U.S. 385 over Beaver River in Cimarron County, Oklahoma. It was built in 2018, so it is 7 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 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 625 vehicles a day, roughly 47% of them trucks, projected to reach 875 by 2042. The structure is 500 ft (152.4 m) long and 42 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesU.S. 385
CrossesBeaver River
Location2.8 S of Jct. U.S. 64
RouteU.S. Route 385
Coordinates36.65722, -102.55306
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating40.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length500 ft (152.4 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2022)
Projected traffic875 by 2042
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 385 over Beaver River built?

It was built in 2018, making it 7 years old in 2025.

What condition is U.S. 385 over Beaver 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 2023.

How much traffic does U.S. 385 over Beaver River carry?

About 625 vehicles per day (2022 count), of which roughly 47% are trucks.

How long is U.S. 385 over Beaver River?

The structure is 500 ft (152.4 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns U.S. 385 over Beaver River?

It is owned by the State Highway Agency.