US Bridges

County Highway over Tributary to Elm River

Good

Dickey County, North Dakota · 4 East of Forbes · Structure no. 000000011115241

Built
2000
25 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

County Highway over Tributary to Elm River is a prestressed concrete box beam or girders - single or spread carrying County Highway over Tributary to Elm River in Dickey County, North Dakota. It was built in 2000, so it is 25 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 60 vehicles a day, projected to reach 60 by 2040. The structure is 92 ft (28 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Highway
CrossesTributary to Elm River
Location4 East of Forbes
RouteCounty Highway 1124
Coordinates45.93862, -98.69669
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating30.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic60 by 2040
Trucks—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Tributary to Elm River built?

It was built in 2000, making it 25 years old in 2025.

What condition is County Highway over Tributary to 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 April 2023.

How much traffic does County Highway over Tributary to Elm River carry?

About 60 vehicles per day (2020 count).

How long is County Highway over Tributary to Elm River?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns County Highway over Tributary to Elm River?

It is owned by the County Highway Agency.