US Bridges

83rd Ave SW over Heart River

Poor

Stark County, North Dakota · 12 South 5 E Richardton · Structure no. 000000045149201

Built
1928
97 years old
Condition
Poor
inspected August 2023
Type
Culvert
Concrete
Length
24 ft
6 main spans
Daily traffic
10
2018 count
Owner
County
County Highway Agency

About this bridge

83rd Ave SW over Heart River is a concrete culvert carrying 83rd Ave SW over Heart River in Stark County, North Dakota. It was built in 1928, so it is 97 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10 vehicles a day, projected to reach 5 by 2038. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries83rd Ave SW
CrossesHeart River
Location12 South 5 E Richardton
RouteCounty Highway 0
Coordinates46.72356, -102.21518
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadH 15
Structure length24 ft (7.3 m)
Longest span4 ft (1.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2018)
Projected traffic5 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 83rd Ave SW over Heart River built?

It was built in 1928, making it 97 years old in 2025.

What condition is 83rd Ave SW over Heart River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does 83rd Ave SW over Heart River carry?

About 10 vehicles per day (2018 count).

How long is 83rd Ave SW over Heart River?

The structure is 24 ft (7.3 m) long with a longest span of 4 ft (1.2 m).

Who owns 83rd Ave SW over Heart River?

It is owned by the County Highway Agency.