US Bridges

64th ST over NW Br Cantapeta Creek

Good

Morton County, North Dakota · 2 South 9 West Fort Rice · Structure no. 000000030163340

Built
1971
54 years old
Condition
Good
inspected May 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

64th ST over NW Br Cantapeta Creek is a concrete channel beam carrying 64th ST over NW Br Cantapeta Creek in Morton County, North Dakota. It was built in 1971, so it is 54 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 24 by 2039. The structure is 31 ft (9.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries64th ST
CrossesNW Br Cantapeta Creek
Location2 South 9 West Fort Rice
RouteCounty Highway 0
Coordinates46.48715, -100.7822
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating28.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic24 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 64th ST over NW Br Cantapeta Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is 64th ST over NW Br Cantapeta Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does 64th ST over NW Br Cantapeta Creek carry?

About 20 vehicles per day (2019 count).

How long is 64th ST over NW Br Cantapeta Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns 64th ST over NW Br Cantapeta Creek?

It is owned by the County Highway Agency.