US Bridges

83rd Ave SW over Cannonball River

Good

Hettinger County, North Dakota · 1 South 8 East of Mott · Structure no. 000000021137200

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
2 main spans
Daily traffic
70
2018 count
Owner
County
County Highway Agency

About this bridge

83rd Ave SW over Cannonball River is a prestressed concrete stringer/multi-beam or girder carrying 83rd Ave SW over Cannonball River in Hettinger County, North Dakota. It was built in 2016, so it is 9 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2038. The structure is 178 ft (54.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries83rd Ave SW
CrossesCannonball River
Location1 South 8 East of Mott
RouteCounty Highway 2137
CountyHettinger County
StateNorth Dakota
Coordinates46.35218, -102.15075
Functional classRural Major Collector

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating34.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length178 ft (54.3 m)
Longest span89 ft (27.1 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2018)
Projected traffic130 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$444,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 83rd Ave SW over Cannonball River built?

It was built in 2016, making it 9 years old in 2025.

What condition is 83rd Ave SW over Cannonball River 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 September 2024.

How much traffic does 83rd Ave SW over Cannonball River carry?

About 70 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is 83rd Ave SW over Cannonball River?

The structure is 178 ft (54.3 m) long with a longest span of 89 ft (27.1 m) and a deck 30 ft wide.

Who owns 83rd Ave SW over Cannonball River?

It is owned by the County Highway Agency.