US Bridges

N2830 over Creek

Fair

Grant County, Oklahoma · 4.7E 6.2N of Nash · Structure no. 028790000000000

Built
1930
95 years old, rebuilt 2001
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
2 main spans
Daily traffic
173
2022 count
Owner
County
County Highway Agency

About this bridge

N2830 over Creek is a steel stringer/multi-beam or girder carrying N2830 over Creek in Grant County, Oklahoma. It was built in 1930 and reconstructed in 2001, so it is 95 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 173 vehicles a day, roughly 15% of them trucks, projected to reach 277 by 2042. The structure is 40 ft (12.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN2830
CrossesCreek
Location4.7E 6.2N of Nash
RouteCounty Highway N2830
CountyGrant County
StateOklahoma
Coordinates36.75574, -97.96585
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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span19 ft (5.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173 (2022)
Projected traffic277 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$312,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2830 over Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2001.

What condition is N2830 over 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 N2830 over Creek carry?

About 173 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2830 over Creek?

The structure is 40 ft (12.3 m) long with a longest span of 19 ft (5.9 m) and a deck 24 ft wide.

Who owns N2830 over Creek?

It is owned by the County Highway Agency.