US Bridges

53rd Ave SW over Cannonball River

FairPosted for load

Grant County, North Dakota · 9 South 7 East of Leith · Structure no. 000000019130350

Built
1958
67 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
169 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

53rd Ave SW over Cannonball River is a steel stringer/multi-beam or girder carrying 53rd Ave SW over Cannonball River in Grant County, North Dakota. It was built in 1958, so it is 67 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 25 by 2038. The structure is 169 ft (51.5 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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Carries53rd Ave SW
CrossesCannonball River
Location9 South 7 East of Leith
RouteCounty Highway 0
CountyGrant County
StateNorth Dakota
Coordinates46.22143, -101.47849
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating22 US tons
Inventory rating13.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length169 ft (51.5 m)
Longest span65 ft (19.8 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$414,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 53rd Ave SW over Cannonball River built?

It was built in 1958, making it 67 years old in 2025.

What condition is 53rd Ave SW 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 April 2024.

How much traffic does 53rd Ave SW over Cannonball River carry?

About 25 vehicles per day (2022 count).

How long is 53rd Ave SW over Cannonball River?

The structure is 169 ft (51.5 m) long with a longest span of 65 ft (19.8 m) and a deck 22 ft wide.

Who owns 53rd Ave SW over Cannonball River?

It is owned by the County Highway Agency.