US Bridges

County Highway over Maple River/Drain 46

Fair

Cass County, North Dakota · 4 West 2 South of Page · Structure no. 000000009103080

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
73 ft
2 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Maple River/Drain 46 is a concrete channel beam carrying County Highway over Maple River/Drain 46 in Cass County, North Dakota. It was built in 1972, so it is 53 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, projected to reach 20 by 2039. The structure is 73 ft (22.3 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesMaple River/Drain 46
Location4 West 2 South of Page
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates47.12346, -97.65568
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.4 US tons
Inventory rating28.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic20 by 2039
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 Maple River/Drain 46 built?

It was built in 1972, making it 53 years old in 2025.

What condition is County Highway over Maple River/Drain 46 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 August 2023.

How much traffic does County Highway over Maple River/Drain 46 carry?

About 20 vehicles per day (2019 count).

How long is County Highway over Maple River/Drain 46?

The structure is 73 ft (22.3 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns County Highway over Maple River/Drain 46?

It is owned by the County Highway Agency.