US Bridges

Nd Highway 22 over Cannonball River

Fair

Hettinger County, North Dakota · At New England · Structure no. 0022045841

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
3 main spans
Daily traffic
830
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 22 over Cannonball River is a steel continuous stringer/multi-beam or girder carrying Nd Highway 22 over Cannonball River in Hettinger County, North Dakota. It was built in 1960, so it is 65 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 830 vehicles a day, roughly 20% of them trucks, projected to reach 750 by 2039. The structure is 175 ft (53.3 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNd Highway 22
CrossesCannonball River
LocationAt New England
RouteState Highway 22
CountyHettinger County
StateNorth Dakota
Coordinates46.53135, -102.86529
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span66 ft (20.1 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic830 (2019)
Projected traffic750 by 2039
Trucks20%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$276,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Nd Highway 22 over Cannonball River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nd Highway 22 over 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 November 2024.

How much traffic does Nd Highway 22 over Cannonball River carry?

About 830 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Nd Highway 22 over Cannonball River?

The structure is 175 ft (53.3 m) long with a longest span of 66 ft (20.1 m) and a deck 35 ft wide.

Who owns Nd Highway 22 over Cannonball River?

It is owned by the State Highway Agency.