US Bridges

N2790 over Kingfisher Creek

FairPosted for load

Kingfisher County, Oklahoma · 5.5W .8S of Kingfisher · Structure no. 193380000000000

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
109 ft
3 main spans
Daily traffic
55
2022 count
Owner
County
County Highway Agency

About this bridge

N2790 over Kingfisher Creek is a steel stringer/multi-beam or girder carrying N2790 over Kingfisher Creek in Kingfisher County, Oklahoma. It was built in 1977, so it is 48 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 55 vehicles a day, roughly 15% of them trucks, projected to reach 88 by 2042. The structure is 109 ft (33.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN2790
CrossesKingfisher Creek
Location5.5W .8S of Kingfisher
RouteCounty Highway N2790
CountyKingfisher County
StateOklahoma
Coordinates35.84358, -98.03057
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
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 inspectionOctober 2023
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 rating25 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length109 ft (33.3 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2022)
Projected traffic88 by 2042
Trucks15%
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$548,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2790 over Kingfisher Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is N2790 over Kingfisher 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 October 2023.

How much traffic does N2790 over Kingfisher Creek carry?

About 55 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2790 over Kingfisher Creek?

The structure is 109 ft (33.3 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns N2790 over Kingfisher Creek?

It is owned by the County Highway Agency.