US Bridges

N2870 over Little Turkey Creek

FairPosted for load

Kingfisher County, Oklahoma · 1.5S .5E .9S of Hennessey · Structure no. 116600000000000

Built
1950
75 years old, rebuilt 2005
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
203
2022 count
Owner
County
County Highway Agency

About this bridge

N2870 over Little Turkey Creek is a steel stringer/multi-beam or girder carrying N2870 over Little Turkey Creek in Kingfisher County, Oklahoma. It was built in 1950 and reconstructed in 2005, so it is 75 years old, older 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 203 vehicles a day, roughly 10% of them trucks, projected to reach 325 by 2042. The structure is 35 ft (10.7 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN2870
CrossesLittle Turkey Creek
Location1.5S .5E .9S of Hennessey
RouteCounty Highway N2870
CountyKingfisher County
StateOklahoma
Coordinates36.07447, -97.89032
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11 US tons
Inventory rating6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span34 ft (10.5 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203 (2022)
Projected traffic325 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$290,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2870 over Little Turkey Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2005.

What condition is N2870 over Little 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 2024.

How much traffic does N2870 over Little Turkey Creek carry?

About 203 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2870 over Little Turkey Creek?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.5 m) and a deck 25 ft wide.

Who owns N2870 over Little Turkey Creek?

It is owned by the County Highway Agency.