US Bridges

N2560 over Driftwood Creek Trib.

Fair

Alfalfa County, Oklahoma · 1.4S 1.5W of Burlington · Structure no. 271850000000000

Built
2002
23 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
2 main spans
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

N2560 over Driftwood Creek Trib. is a steel stringer/multi-beam or girder carrying N2560 over Driftwood Creek Trib. in Alfalfa County, Oklahoma. It was built in 2002, so it is 23 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 61 ft (18.6 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN2560
CrossesDriftwood Creek Trib.
Location1.4S 1.5W of Burlington
RouteCounty Highway N2560
CountyAlfalfa County
StateOklahoma
Coordinates36.8782, -98.4499
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length61 ft (18.6 m)
Longest span31 ft (9.3 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
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$414,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2560 over Driftwood Creek Trib. built?

It was built in 2002, making it 23 years old in 2025.

What condition is N2560 over Driftwood Creek Trib. 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 N2560 over Driftwood Creek Trib. carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2560 over Driftwood Creek Trib.?

The structure is 61 ft (18.6 m) long with a longest span of 31 ft (9.3 m) and a deck 26 ft wide.

Who owns N2560 over Driftwood Creek Trib.?

It is owned by the County Highway Agency.