US Bridges

N2920 over Creek

Fair

Grant County, Oklahoma · 5.3S of Pond Creek · Structure no. 148750000000000

Built
1960
65 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
450
2022 count
Owner
County
County Highway Agency

About this bridge

N2920 over Creek is a concrete culvert carrying N2920 over Creek in Grant County, Oklahoma. It was built in 1960, so it is 65 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 450 vehicles a day, roughly 15% of them trucks, projected to reach 720 by 2042. The structure is 45 ft (13.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN2920
CrossesCreek
Location5.3S of Pond Creek
RouteCounty Highway N2920
CountyGrant County
StateOklahoma
Coordinates36.59378, -97.80311
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length45 ft (13.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic720 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2920 over Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is N2920 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 N2920 over Creek carry?

About 450 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2920 over Creek?

The structure is 45 ft (13.8 m) long with a longest span of 10 ft (3 m).

Who owns N2920 over Creek?

It is owned by the County Highway Agency.