US Bridges

County Highway 25 over Coyote Creek

Good

Mercer County, North Dakota · 2 East 15 South of Zap · Structure no. 000000029116340

Built
2011
14 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

County Highway 25 over Coyote Creek is a concrete culvert carrying County Highway 25 over Coyote Creek in Mercer County, North Dakota. It was built in 2011, so it is 14 years old, younger than the North Dakota average of 48.2 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 24 vehicles a day, projected to reach 33 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Highway 25
CrossesCoyote Creek
Location2 East 15 South of Zap
RouteCounty Highway 2936
CountyMercer County
StateNorth Dakota
Coordinates47.08173, -101.87407
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating57.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic33 by 2042
Trucks0%
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$74,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway 25 over Coyote Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is County Highway 25 over Coyote 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 July 2024.

How much traffic does County Highway 25 over Coyote Creek carry?

About 24 vehicles per day (2022 count).

How long is County Highway 25 over Coyote Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns County Highway 25 over Coyote Creek?

It is owned by the County Highway Agency.