US Bridges

2906C over Cave Creek

Good

Harmon County, Oklahoma · 0.5 E & 1.0 S of Vinson · Structure no. 247810000000000

Built
2000
25 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

2906C over Cave Creek is a concrete culvert carrying 2906C over Cave Creek in Harmon County, Oklahoma. It was built in 2000, so it is 25 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 15% of them trucks, projected to reach 120 by 2042. The structure is 47 ft (14.3 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries2906C
CrossesCave Creek
Location0.5 E & 1.0 S of Vinson
RouteCounty Highway 2906C
Coordinates34.88643, -99.85374
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span15 ft (4.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 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 statusHistorical significance not determinable at this time
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 2906C over Cave Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is 2906C over Cave Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does 2906C over Cave Creek carry?

About 75 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 2906C over Cave Creek?

The structure is 47 ft (14.3 m) long with a longest span of 15 ft (4.6 m) and a deck 42 ft wide.

Who owns 2906C over Cave Creek?

It is owned by the County Highway Agency.