US Bridges

1850C over Creek

Fair

Craig County, Oklahoma · 1.5 MI S of White Oak · Structure no. 206780000000000

Built
1984
41 years old, rebuilt 2021
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

1850C over Creek is a concrete culvert carrying 1850C over Creek in Craig County, Oklahoma. It was built in 1984 and reconstructed in 2021, so it is 41 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 40 ft (12.2 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries1850C
CrossesCreek
Location1.5 MI S of White Oak
RouteCounty Highway 1850C
Coordinates36.59914, -95.26967
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating103 US tons
Inventory rating61.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 1850C over Creek built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2021.

What condition is 1850C over 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 August 2024.

How much traffic does 1850C over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 1850C over Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 48 ft wide.

Who owns 1850C over Creek?

It is owned by the County Highway Agency.