US Bridges

N2490 over Salt Fork Arkansas River

FairPosted for load

Woods County, Oklahoma · 4E 5.4S of US281/SH11 · Structure no. 199930000000000

Built
1981
44 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
240 ft
4 main spans
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

N2490 over Salt Fork Arkansas River is a steel stringer/multi-beam or girder carrying N2490 over Salt Fork Arkansas River in Woods County, Oklahoma. It was built in 1981, so it is 44 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 5 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 120 vehicles a day, roughly 15% of them trucks, projected to reach 112 by 2042. The structure is 240 ft (73.2 m) long and 24 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesN2490
CrossesSalt Fork Arkansas River
Location4E 5.4S of US281/SH11
RouteCounty Highway N2490
CountyWoods County
StateOklahoma
Coordinates36.81785, -98.57646
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length240 ft (73.2 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic112 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$790,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2490 over Salt Fork Arkansas River built?

It was built in 1981, making it 44 years old in 2025.

What condition is N2490 over Salt Fork Arkansas River 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 January 2024.

How much traffic does N2490 over Salt Fork Arkansas River carry?

About 120 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2490 over Salt Fork Arkansas River?

The structure is 240 ft (73.2 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns N2490 over Salt Fork Arkansas River?

It is owned by the County Highway Agency.