US Bridges

64th Ave over Heart Butte Creek

FairPosted for load

Grant County, North Dakota · 18 North 2 East of Elgin · Structure no. 000000019114040

Built
1942
83 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
10
2018 count
Owner
County
County Highway Agency

About this bridge

64th Ave over Heart Butte Creek is a steel stringer/multi-beam or girder carrying 64th Ave over Heart Butte Creek in Grant County, North Dakota. It was built in 1942, so it is 83 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2038. The structure is 34 ft (10.4 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries64th Ave
CrossesHeart Butte Creek
Location18 North 2 East of Elgin
RouteCounty Highway 0
CountyGrant County
StateNorth Dakota
Coordinates46.67019, -101.80241
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating28.8 US tons
Inventory rating17.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2018)
Projected traffic10 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 64th Ave over Heart Butte Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is 64th Ave over Heart Butte Creek 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 64th Ave over Heart Butte Creek carry?

About 10 vehicles per day (2018 count).

How long is 64th Ave over Heart Butte Creek?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 18 ft wide.

Who owns 64th Ave over Heart Butte Creek?

It is owned by the County Highway Agency.