US Bridges

N2890 over Rush Creek

FairPosted for load

Grady County, Oklahoma · 7. E 2.7 S of US 81 · Structure no. 001170000000000

Built
1992
33 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

N2890 over Rush Creek is a steel stringer/multi-beam or girder carrying N2890 over Rush Creek in Grady County, Oklahoma. It was built in 1992, so it is 33 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 80 ft (24.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN2890
CrossesRush Creek
Location7. E 2.7 S of US 81
RouteCounty Highway N2890
Coordinates34.74283, -97.84402
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 inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length80 ft (24.4 m)
Longest span78 ft (23.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 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 closed3.7 mi (6 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$451,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2890 over Rush Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is N2890 over Rush 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 October 2024.

How much traffic does N2890 over Rush Creek carry?

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

How long is N2890 over Rush Creek?

The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.8 m) and a deck 24 ft wide.

Who owns N2890 over Rush Creek?

It is owned by the County Highway Agency.