US Bridges

64th ST over Chanta Peta Creek

FairPosted for load

Morton County, North Dakota · 2 North 6 East of Flasher · Structure no. 000000030148340

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
32 ft
1 main span
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

64th ST over Chanta Peta Creek is a wood or timber stringer/multi-beam or girder carrying 64th ST over Chanta Peta Creek in Morton County, North Dakota. It was built in 1979, so it is 46 years old, younger 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 2039. The structure is 32 ft (9.8 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries64th ST
CrossesChanta Peta Creek
Location2 North 6 East of Flasher
RouteCounty Highway 0
Coordinates46.48883, -101.10824
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 statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.2 US tons
Inventory rating17.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic25 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$77,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 64th ST over Chanta Peta Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is 64th ST over Chanta Peta 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 May 2023.

How much traffic does 64th ST over Chanta Peta Creek carry?

About 25 vehicles per day (2019 count).

How long is 64th ST over Chanta Peta Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns 64th ST over Chanta Peta Creek?

It is owned by the County Highway Agency.