US Bridges

County Highway over North Branch Elm River

Good

Traill County, North Dakota · 2 East 7 South Hillsboro · Structure no. 000000049123250

Built
1986
39 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
75
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over North Branch Elm River is a prestressed concrete box beam or girders - single or spread carrying County Highway over North Branch Elm River in Traill County, North Dakota. It was built in 1986, so it is 39 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 75 vehicles a day, projected to reach 75 by 2038. The structure is 70 ft (21.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesNorth Branch Elm River
Location2 East 7 South Hillsboro
RouteCounty Highway 0
Coordinates47.31126, -96.98841
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.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span66 ft (20.1 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2018)
Projected traffic75 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 1986, making it 39 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 August 2024.

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

About 75 vehicles per day (2018 count).

How long is County Highway over North Branch Elm River?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 32 ft wide.

Who owns County Highway over North Branch Elm River?

It is owned by the County Highway Agency.