US Bridges

N2930 over Osage Creek

FairPosted for load

Grant County, Oklahoma · 2.9W 4.2N of US81/SH11 · Structure no. 254670000000000

Built
1998
27 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Steel
Length
40 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

N2930 over Osage Creek is a steel box beam or girders - multiple carrying N2930 over Osage 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 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 40 ft (12.2 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN2930
CrossesOsage Creek
Location2.9W 4.2N of US81/SH11
RouteCounty Highway N2930
CountyGrant County
StateOklahoma
Coordinates36.87314, -97.78512
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 inspectionJuly 2024
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 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 rating15 US tons
Inventory rating9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 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$307,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2930 over Osage Creek built?

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

What condition is N2930 over Osage 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 July 2024.

How much traffic does N2930 over Osage Creek carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2930 over Osage Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 20 ft wide.

Who owns N2930 over Osage Creek?

It is owned by the County Highway Agency.