US Bridges

N2930 over Osage Creek

Fair

Grant County, Oklahoma · 1.3N 3W 2.1N of Medford · Structure no. 288560000000000

Built
2006
19 years old
Condition
Fair
inspected March 2023
Type
Other
Steel
Length
29 ft
1 main span
Daily traffic
31
2022 count
Owner
County
County Highway Agency

About this bridge

N2930 over Osage Creek is a steel other carrying N2930 over Osage Creek in Grant County, Oklahoma. It was built in 2006, so it is 19 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.

It carries about 31 vehicles a day, roughly 10% of them trucks, projected to reach 50 by 2042. The structure is 29 ft (8.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN2930
CrossesOsage Creek
Location1.3N 3W 2.1N of Medford
RouteCounty Highway N2930
CountyGrant County
StateOklahoma
Coordinates36.85454, -97.78517
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2022)
Projected traffic50 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$3.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N2930 over Osage Creek built?

It was built in 2006, making it 19 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 March 2023.

How much traffic does N2930 over Osage Creek carry?

About 31 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2930 over Osage Creek?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns N2930 over Osage Creek?

It is owned by the County Highway Agency.