N2620 over Spring Creek

Good

Blaine County, Oklahoma · 1.1S 1.W of Okeene · Structure no. 235750000000000

Built: 1994; 31 years old
Condition: Good; inspected May 2023
Type: Culvert; Concrete
Length: 34 ft; 2 main spans
Daily traffic: 100; 2022 count
Owner: County; County Highway Agency

About this bridge

N2620 over Spring Creek is a concrete culvert carrying N2620 over Spring Creek in Blaine County, Oklahoma. It was built in 1994, so it is 31 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 34 ft (10.4 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesN2620

CrossesSpring Creek

Location1.1S 1.W of Okeene

RouteCounty Highway N2620

CountyBlaine County

StateOklahoma

Coordinates36.08964, -98.33493

Functional classRural Local

Condition and inspection

Good

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

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	7 Good	Some minor problems.

Last inspectionMay 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourCountermeasures installed to correct a previously existing problem

Structural evaluation7: Better than present minimum criteria

Deck geometry9: Superior to present desirable criteria

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating60 US tons

Inventory rating36 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckNot applicable

Main spans2

Design loadHS 20

Structure length34 ft (10.4 m)

Longest span17 ft (5.2 m)

Deck width44 ft (13.4 m)

Roadway width42 ft (12.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)

Projected traffic160 by 2042

Trucks10%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.7 mi (6 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 N2620 over Spring Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is N2620 over Spring 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 May 2023.

How much traffic does N2620 over Spring Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2620 over Spring Creek?

The structure is 34 ft (10.4 m) long with a longest span of 17 ft (5.2 m) and a deck 44 ft wide.

Who owns N2620 over Spring Creek?

It is owned by the County Highway Agency.