US Bridges

40th Ave SW over Rose Creek

Fair

Cass County, North Dakota · 40th Ave Sw-Prairie Rose · Structure no. 0000FRGO32

Built
1995
30 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
550
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

40th Ave SW over Rose Creek is a prestressed concrete box beam or girders - single or spread carrying 40th Ave SW over Rose Creek in Cass County, North Dakota. It was built in 1995, so it is 30 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.

It carries about 550 vehicles a day, roughly 2% of them trucks, projected to reach 825 by 2039. The structure is 74 ft (22.6 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries40th Ave SW
CrossesRose Creek
Location40th Ave Sw-Prairie Rose
RouteCity Street 0
CountyCass County
StateNorth Dakota
Coordinates46.81804, -96.8268
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating80.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width63 ft (19.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2019)
Projected traffic825 by 2039
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 40th Ave SW over Rose Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is 40th Ave SW over Rose Creek 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 June 2023.

How much traffic does 40th Ave SW over Rose Creek carry?

About 550 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is 40th Ave SW over Rose Creek?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 63 ft wide.

Who owns 40th Ave SW over Rose Creek?

It is owned by the City or Municipal Highway Agency.