US Bridges

S.H. 18 over West Beaver Creek

Fair

Lincoln County, Oklahoma · 10.8 Mi. N. Jct. S.H. 66 · Structure no. 310480000000000

Built
2014
11 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
2,200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 18 over West Beaver Creek is a concrete culvert carrying S.H. 18 over West Beaver Creek in Lincoln County, Oklahoma. It was built in 2014, so it is 11 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 2,200 vehicles a day, roughly 15% of them trucks, projected to reach 3,520 by 2042. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 29.2 mi (47 km).

Location

Open in Google Maps
CarriesS.H. 18
CrossesWest Beaver Creek
Location10.8 Mi. N. Jct. S.H. 66
RouteState Highway 18
CountyLincoln County
StateOklahoma
Coordinates35.85897, -96.87639
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating92.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic3,520 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 18 over West Beaver Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is S.H. 18 over West Beaver Creek 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 July 2024.

How much traffic does S.H. 18 over West Beaver Creek carry?

About 2,200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 18 over West Beaver Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns S.H. 18 over West Beaver Creek?

It is owned by the State Highway Agency.