US Bridges

County Highway over Maple River

FairPosted for load

Cass County, North Dakota · 2 East 7 South of Alice · Structure no. 000000009110400

Built
2011
14 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
58 ft
2 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

County Highway over Maple River is a wood or timber stringer/multi-beam or girder carrying County Highway over Maple River in Cass 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2040. The structure is 58 ft (17.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesMaple River
Location2 East 7 South of Alice
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.65859, -97.50793
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 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$59,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Maple River built?

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

What condition is County Highway over Maple River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

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 58 ft (17.7 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns County Highway over Maple River?

It is owned by the County Highway Agency.