US Bridges

N2850 over Creek

Fair

Stephens County, Oklahoma · 3E 2.3S of U.S. 81 · Structure no. 278170000000000

Built
2004
21 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
20 ft
3 main spans
Daily traffic
90
2022 count
Owner
County
County Highway Agency

About this bridge

N2850 over Creek is a steel culvert carrying N2850 over Creek in Stephens County, Oklahoma. It was built in 2004, so it is 21 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 90 vehicles a day, roughly 10% of them trucks, projected to reach 144 by 2042. The structure is 20 ft (6.1 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN2850
CrossesCreek
Location3E 2.3S of U.S. 81
RouteCounty Highway 0
CountyStephens County
StateOklahoma
Coordinates34.45889, -97.91222
Functional classRural Local

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 inspectionJune 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length20 ft (6.1 m)
Longest span5 ft (1.5 m)
Deck width54 ft (16.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic144 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 N2850 over Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is N2850 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 June 2024.

How much traffic does N2850 over Creek carry?

About 90 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2850 over Creek?

The structure is 20 ft (6.1 m) long with a longest span of 5 ft (1.5 m) and a deck 54 ft wide.

Who owns N2850 over Creek?

It is owned by the County Highway Agency.