US Bridges

N2790 over Coldwater Creek

FairPosted for load

Grant County, Oklahoma · .7W 4.2S of Nash · Structure no. 257870000000000

Built
1998
27 years old
Condition
Fair
inspected May 2023
Type
Other
Steel
Length
90 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

N2790 over Coldwater Creek is a steel other carrying N2790 over Coldwater Creek in Grant County, Oklahoma. It was built in 1998, so it is 27 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 90 ft (27.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN2790
CrossesColdwater Creek
Location.7W 4.2S of Nash
RouteCounty Highway N2790
CountyGrant County
StateOklahoma
Coordinates36.60386, -98.03746
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.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating15 US tons
Inventory rating0 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans3
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span66 ft (20.1 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks10%
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$480,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2790 over Coldwater Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is N2790 over Coldwater 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 N2790 over Coldwater Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2790 over Coldwater Creek?

The structure is 90 ft (27.4 m) long with a longest span of 66 ft (20.1 m) and a deck 22 ft wide.

Who owns N2790 over Coldwater Creek?

It is owned by the County Highway Agency.