US Bridges

60th ST SW over N. Cannonball River

Fair

Hettinger County, North Dakota · 1 W. of New England · Structure no. 000000021102060

Built
2018
7 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
130 ft
2 main spans
Daily traffic
200
2019 count
Owner
County
County Highway Agency

About this bridge

60th ST SW over N. Cannonball River is a prestressed concrete box beam or girders - single or spread carrying 60th ST SW over N. Cannonball River in Hettinger County, North Dakota. It was built in 2018, so it is 7 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 200 vehicles a day, roughly 12% of them trucks, projected to reach 200 by 2039. The structure is 130 ft (39.6 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries60th ST SW
CrossesN. Cannonball River
Location1 W. of New England
RouteCounty Highway 0
CountyHettinger County
StateNorth Dakota
Coordinates46.54285, -102.88863
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating30.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length130 ft (39.6 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2019)
Projected traffic200 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$326,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 60th ST SW over N. Cannonball River built?

It was built in 2018, making it 7 years old in 2025.

What condition is 60th ST SW over N. Cannonball River 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 60th ST SW over N. Cannonball River carry?

About 200 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is 60th ST SW over N. Cannonball River?

The structure is 130 ft (39.6 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns 60th ST SW over N. Cannonball River?

It is owned by the County Highway Agency.