US Bridges

N2850 over Turkey Creek

FairPosted for load

Kingfisher County, Oklahoma · 1.5S 1.5W .2SOF Hennessey · Structure no. 236660000000000

Built
1994
31 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N2850 over Turkey Creek is a steel stringer/multi-beam or girder carrying N2850 over Turkey Creek in Kingfisher County, Oklahoma. It was built in 1994, so it is 31 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 87 ft (26.5 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN2850
CrossesTurkey Creek
Location1.5S 1.5W .2SOF Hennessey
RouteCounty Highway N2850
Coordinates36.08639, -97.92596
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating37 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span62 ft (18.9 m)
Deck width17 ft (5.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$471,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2850 over Turkey Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is N2850 over Turkey 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 2023.

How much traffic does N2850 over Turkey Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2850 over Turkey Creek?

The structure is 87 ft (26.5 m) long with a longest span of 62 ft (18.9 m) and a deck 17 ft wide.

Who owns N2850 over Turkey Creek?

It is owned by the County Highway Agency.