US Bridges

N4370 over Beaver Creek

FairPosted for load

Haskell County, Oklahoma · .4S; of Kinta · Structure no. 226080000000000

Built
1990
35 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4370 over Beaver Creek is a prestressed concrete tee beam carrying N4370 over Beaver Creek in Haskell County, Oklahoma. It was built in 1990, so it is 35 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 100 ft (30.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN4370
CrossesBeaver Creek
Location.4S; of Kinta
RouteCounty Highway N4370
CountyHaskell County
StateOklahoma
Coordinates35.11224, -95.24404
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.8 US tons
Inventory rating30.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length100 ft (30.6 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$514,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4370 over Beaver Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is N4370 over Beaver 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 May 2023.

How much traffic does N4370 over Beaver Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4370 over Beaver Creek?

The structure is 100 ft (30.6 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns N4370 over Beaver Creek?

It is owned by the County Highway Agency.