US Bridges

County Highway over Maple River

Good

Cass County, North Dakota · 3 West 2 South of Alice · Structure no. 000000009105351

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Concrete
Length
112 ft
3 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

County Highway over Maple River is a concrete box beam or girders - single or spread carrying County Highway over Maple River in Cass County, North Dakota. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 20 by 2040. The structure is 112 ft (34.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesMaple River
Location3 West 2 South of Alice
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.73119, -97.61864
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.2 US tons
Inventory rating43.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length112 ft (34.1 m)
Longest span36 ft (10.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic20 by 2040
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Maple River built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Highway over Maple 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 2023.

How much traffic does County Highway over Maple River carry?

About 20 vehicles per day (2020 count).

How long is County Highway over Maple River?

The structure is 112 ft (34.1 m) long with a longest span of 36 ft (10.9 m) and a deck 30 ft wide.

Who owns County Highway over Maple River?

It is owned by the County Highway Agency.