US Bridges

N2920 over Creek

Poor

Grant County, Oklahoma · 3.7S of Pond Creek · Structure no. 258030000000000

Built
1995
30 years old
Condition
Poor
inspected May 2023
Type
Culvert
Steel
Length
38 ft
5 main spans
Daily traffic
450
2022 count
Owner
County
County Highway Agency

About this bridge

N2920 over Creek is a steel culvert carrying N2920 over Creek in Grant County, Oklahoma. It was built in 1995, so it is 30 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 450 vehicles a day, roughly 15% of them trucks, projected to reach 720 by 2042. The structure is 38 ft (11.6 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN2920
CrossesCreek
Location3.7S of Pond Creek
RouteCounty Highway N2920
CountyGrant County
StateOklahoma
Coordinates36.6168, -97.80387
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span6 ft (1.8 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 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 1995, making it 30 years old in 2025.

What condition is N2920 over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. 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 38 ft (11.6 m) long with a longest span of 6 ft (1.8 m) and a deck 40 ft wide.

Who owns N2920 over Creek?

It is owned by the County Highway Agency.