US Bridges

N2580 (fas 0209) over Driftwood Creek

Fair

Alfalfa County, Oklahoma · 4.8N of US 64 · Structure no. 187520000000000

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
200 ft
5 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N2580 (fas 0209) over Driftwood Creek is a concrete tee beam carrying N2580 (fas 0209) over Driftwood Creek in Alfalfa County, Oklahoma. It was built in 1974, so it is 51 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.

It carries about 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 200 ft (61 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN2580 (fas 0209)
CrossesDriftwood Creek
Location4.8N of US 64
RouteCounty Highway N2580
CountyAlfalfa County
StateOklahoma
Coordinates36.86644, -98.41399
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
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$716,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2580 (fas 0209) over Driftwood Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is N2580 (fas 0209) over Driftwood 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 July 2023.

How much traffic does N2580 (fas 0209) over Driftwood Creek carry?

About 50 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2580 (fas 0209) over Driftwood Creek?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns N2580 (fas 0209) over Driftwood Creek?

It is owned by the County Highway Agency.