US Bridges

N2490 over Sand Creek

Fair

Woods County, Oklahoma · .7W 2.9S of Dacoma · Structure no. 189920000000000

Built
1975
50 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
2 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

N2490 over Sand Creek is a steel stringer/multi-beam or girder carrying N2490 over Sand Creek in Woods County, Oklahoma. It was built in 1975, so it is 50 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 60 vehicles a day, roughly 15% of them trucks, projected to reach 96 by 2042. The structure is 61 ft (18.5 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN2490
CrossesSand Creek
Location.7W 2.9S of Dacoma
RouteCounty Highway N2490
Coordinates36.60912, -98.57649
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.
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 inspectionFebruary 2024
Inspection intervalevery 12 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 25 or greater
Structure length61 ft (18.5 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic96 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$390,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2490 over Sand Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is N2490 over Sand 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 February 2024.

How much traffic does N2490 over Sand Creek carry?

About 60 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2490 over Sand Creek?

The structure is 61 ft (18.5 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns N2490 over Sand Creek?

It is owned by the County Highway Agency.