US Bridges

County Highway over Raymond Coulee

Good

Cass County, North Dakota · 3 East 3 North Mapleton · Structure no. 000000009134210

Built
1989
36 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
60
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Raymond Coulee is a prestressed concrete tee beam carrying County Highway over Raymond Coulee in Cass County, North Dakota. It was built in 1989, so it is 36 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 60 vehicles a day, projected to reach 60 by 2039. The structure is 63 ft (19.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesRaymond Coulee
Location3 East 3 North Mapleton
RouteCounty Highway 0
Coordinates46.9418, -96.98844
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating41.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span59 ft (18 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2019)
Projected traffic60 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 Raymond Coulee built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Highway over Raymond Coulee 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 June 2023.

How much traffic does County Highway over Raymond Coulee carry?

About 60 vehicles per day (2019 count).

How long is County Highway over Raymond Coulee?

The structure is 63 ft (19.2 m) long with a longest span of 59 ft (18 m) and a deck 34 ft wide.

Who owns County Highway over Raymond Coulee?

It is owned by the County Highway Agency.