US Bridges

Service Road over Rose Coulee

Fair

Cass County, North Dakota · 2 South I94 · Structure no. 0029061417 T

Built
1971
54 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
650
2019 count
Owner
State
State Highway Agency

About this bridge

Service Road over Rose Coulee is a concrete continuous slab carrying Service Road over Rose Coulee in Cass County, North Dakota. It was built in 1971, so it is 54 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 650 vehicles a day, roughly 10% of them trucks, projected to reach 2,000 by 2039. The structure is 85 ft (25.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesService Road
CrossesRose Coulee
Location2 South I94
RouteCounty Highway 0
Coordinates46.82033, -96.83874
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.7 US tons
Inventory rating35.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length85 ft (25.9 m)
Longest span31 ft (9.4 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2019)
Projected traffic2,000 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Service Road over Rose Coulee built?

It was built in 1971, making it 54 years old in 2025.

What condition is Service Road over Rose Coulee 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 May 2023.

How much traffic does Service Road over Rose Coulee carry?

About 650 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Service Road over Rose Coulee?

The structure is 85 ft (25.9 m) long with a longest span of 31 ft (9.4 m) and a deck 35 ft wide.

Who owns Service Road over Rose Coulee?

It is owned by the State Highway Agency.