US Bridges

N2970 over Creek

Good

Garfield County, Oklahoma · 2.4W 2.9N of Douglas · Structure no. 100100000000000

Built
1943
82 years old, rebuilt 1992
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
225
2022 count
Owner
County
County Highway Agency

About this bridge

N2970 over Creek is a concrete culvert carrying N2970 over Creek in Garfield County, Oklahoma. It was built in 1943 and reconstructed in 1992, so it is 82 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 225 vehicles a day, roughly 15% of them trucks, projected to reach 360 by 2042. The structure is 21 ft (6.4 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN2970
CrossesCreek
Location2.4W 2.9N of Douglas
RouteCounty Highway N2970
Coordinates36.30158, -97.71135
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width43 ft (13.1 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic360 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2970 over Creek built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1992.

What condition is N2970 over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does N2970 over Creek carry?

About 225 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2970 over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns N2970 over Creek?

It is owned by the County Highway Agency.