N4380 over Wolf Creek

Good

Mayes County, Oklahoma · 4W 4.1S of Strang · Structure no. 291850000000000

Built: 2009; 16 years old
Condition: Good; inspected April 2023
Type: Frame; Concrete
Length: 26 ft; 1 main span
Daily traffic: 100; 2022 count
Owner: County; County Highway Agency

About this bridge

N4380 over Wolf Creek is a concrete frame carrying N4380 over Wolf Creek in Mayes County, Oklahoma. It was built in 2009, so it is 16 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 26 ft (7.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps

CarriesN4380

CrossesWolf Creek

Location4W 4.1S of Strang

RouteCounty Highway N4380

CountyMayes County

StateOklahoma

Coordinates36.34889, -95.2025

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
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	7 Good	Some minor problems.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionApril 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating69.4 US tons

Inventory rating41.6 US tons

Structure

Structure typeFrame

MaterialConcrete

DeckConcrete, precast panels

Main spans1

Design loadH 20

Structure length26 ft (7.8 m)

Longest span25 ft (7.6 m)

Deck width26 ft (8 m)

Roadway width26 ft (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 closed3.1 mi (5 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$300,000

NavigationNo navigation control on waterway

Frequently asked questions

When was N4380 over Wolf Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is N4380 over Wolf 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 April 2023.

How much traffic does N4380 over Wolf Creek carry?

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

How long is N4380 over Wolf Creek?

The structure is 26 ft (7.8 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns N4380 over Wolf Creek?

It is owned by the County Highway Agency.