US Bridges

40th Ave.South over County Drain 27

Good

Cass County, North Dakota · 1 West of I-29 · Structure no. 0000FRGO37

Built
2006
19 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
124 ft
3 main spans
Daily traffic
2,100
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

40th Ave.South over County Drain 27 is a prestressed concrete continuous box beam or girders - multiple carrying 40th Ave.South over County Drain 27 in Cass County, North Dakota. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,100 vehicles a day, roughly 3% of them trucks, projected to reach 19,000 by 2039. The structure is 124 ft (37.8 m) long and 92 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries40th Ave.South
CrossesCounty Drain 27
Location1 West of I-29
RouteCity Street 0
Coordinates46.81848, -96.87199
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating71.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length124 ft (37.8 m)
Longest span41 ft (12.5 m)
Deck width92 ft (28 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2019)
Projected traffic19,000 by 2039
Trucks3%
Lanes on structure4
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.South over County Drain 27 built?

It was built in 2006, making it 19 years old in 2025.

What condition is 40th Ave.South over County Drain 27 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 40th Ave.South over County Drain 27 carry?

About 2,100 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is 40th Ave.South over County Drain 27?

The structure is 124 ft (37.8 m) long with a longest span of 41 ft (12.5 m) and a deck 92 ft wide.

Who owns 40th Ave.South over County Drain 27?

It is owned by the City or Municipal Highway Agency.