US Bridges

N2800 over Beaver Creek

Fair

Jefferson County, Oklahoma · .6S US 70 · Structure no. 223980000000000

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
263 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

N2800 over Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying N2800 over Beaver Creek in Jefferson County, Oklahoma. It was built in 1989, so it is 36 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 320 by 2042. The structure is 263 ft (80.2 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN2800
CrossesBeaver Creek
Location.6S US 70
RouteCounty Highway N2800
Coordinates34.14979, -98.00002
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.2 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length263 ft (80.2 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$830,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2800 over Beaver Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is N2800 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 N2800 over Beaver Creek carry?

About 200 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2800 over Beaver Creek?

The structure is 263 ft (80.2 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns N2800 over Beaver Creek?

It is owned by the County Highway Agency.