US Bridges

U.S. 60 Bus. over Bois Darc Creek Oflow

Fair

Kay County, Oklahoma · 0.6 MI E JCT US 60 · Structure no. 174290000000000

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
6,500
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 60 Bus. over Bois Darc Creek Oflow is a concrete culvert carrying U.S. 60 Bus. over Bois Darc Creek Oflow in Kay County, Oklahoma. It was built in 1969, so it is 56 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 6,500 vehicles a day, roughly 16% of them trucks, projected to reach 10,400 by 2042. The structure is 45 ft (13.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesU.S. 60 Bus.
CrossesBois Darc Creek Oflow
Location0.6 MI E JCT US 60
RouteState Highway 60B
CountyKay County
StateOklahoma
Coordinates36.68983, -97.11677
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.6 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2022)
Projected traffic10,400 by 2042
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$1.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 60 Bus. over Bois Darc Creek Oflow built?

It was built in 1969, making it 56 years old in 2025.

What condition is U.S. 60 Bus. over Bois Darc Creek 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 October 2023.

How much traffic does U.S. 60 Bus. over Bois Darc Creek Oflow carry?

About 6,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 60 Bus. over Bois Darc Creek Oflow?

The structure is 45 ft (13.6 m) long with a longest span of 17 ft (5.2 m).

Who owns U.S. 60 Bus. over Bois Darc Creek Oflow?

It is owned by the State Highway Agency.