US Bridges

Main Street over Heart River

Fair

Stark County, North Dakota · Main Street in Belfield · Structure no. 000000045102093

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
518
2022 count
Owner
County
County Highway Agency

About this bridge

Main Street over Heart River is a prestressed concrete box beam or girders - multiple carrying Main Street over Heart River in Stark County, North Dakota. It was built in 1967, so it is 58 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.

It carries about 518 vehicles a day, roughly 3% of them trucks, projected to reach 698 by 2042. The structure is 60 ft (18.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain Street
CrossesHeart River
LocationMain Street in Belfield
RouteCity Street 0
Coordinates46.88856, -103.19883
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating19 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span59 ft (18 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic518 (2022)
Projected traffic698 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$71,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Main Street over Heart River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Main Street 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 May 2023.

How much traffic does Main Street over Heart River carry?

About 518 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Main Street over Heart River?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 33 ft wide.

Who owns Main Street over Heart River?

It is owned by the County Highway Agency.