US Bridges

County Highway over North Branch Elm River

Good

Traill County, North Dakota · 5 South 5 East Mayville · Structure no. 000000049113170

Built
1985
40 years old
Condition
Good
inspected September 2024
Type
Culvert
Steel
Length
45 ft
2 main spans
Daily traffic
96
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over North Branch Elm River is a steel culvert carrying County Highway over North Branch Elm River in Traill County, North Dakota. It was built in 1985, so it is 40 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 96 vehicles a day, projected to reach 50 by 2038. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesNorth Branch Elm River
Location5 South 5 East Mayville
RouteCounty Highway 4918
Coordinates47.42554, -97.20813
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2018)
Projected traffic50 by 2038
Trucks—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over North Branch Elm River built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Highway over North Branch Elm River 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 September 2024.

How much traffic does County Highway over North Branch Elm River carry?

About 96 vehicles per day (2018 count).

How long is County Highway over North Branch Elm River?

The structure is 45 ft (13.7 m) long with a longest span of 20 ft (6.1 m).

Who owns County Highway over North Branch Elm River?

It is owned by the County Highway Agency.