US Bridges

County Highway 83 over Heart River

FairPosted for load

Morton County, North Dakota · 4 South 7 East of Judson · Structure no. 000000030146150

Built
1945
80 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
3 main spans
Daily traffic
30
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway 83 over Heart River is a steel continuous stringer/multi-beam or girder carrying County Highway 83 over Heart River in Morton County, North Dakota. It was built in 1945, so it is 80 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 30 vehicles a day, projected to reach 30 by 2038. The structure is 237 ft (72.2 m) long and 22 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesCounty Highway 83
CrossesHeart River
Location4 South 7 East of Judson
RouteCounty Highway 0
CountyMorton County
StateNorth Dakota
Coordinates46.76915, -101.13967
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating9.7 US tons
Inventory rating5.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length237 ft (72.2 m)
Longest span107 ft (32.6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2018)
Projected traffic30 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$617,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway 83 over Heart River built?

It was built in 1945, making it 80 years old in 2025.

What condition is County Highway 83 over Heart 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 July 2023.

How much traffic does County Highway 83 over Heart River carry?

About 30 vehicles per day (2018 count).

How long is County Highway 83 over Heart River?

The structure is 237 ft (72.2 m) long with a longest span of 107 ft (32.6 m) and a deck 22 ft wide.

Who owns County Highway 83 over Heart River?

It is owned by the County Highway Agency.