US Bridges

61st Street over N Branch Cantapeta Creek

FairPosted for load

Morton County, North Dakota · 1 North 6 West of Ft Rice · Structure no. 000000030166320

Built
1919
106 years old, rebuilt 1967
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
33 ft
1 main span
Daily traffic
10
2019 count
Owner
County
County Highway Agency

About this bridge

61st Street over N Branch Cantapeta Creek is a wood or timber stringer/multi-beam or girder carrying 61st Street over N Branch Cantapeta Creek in Morton County, North Dakota. It was built in 1919 and reconstructed in 1967, so it is 106 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 2039. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries61st Street
CrossesN Branch Cantapeta Creek
Location1 North 6 West of Ft Rice
RouteCounty Highway 0
Coordinates46.52976, -100.71482
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment6: Equal to present minimum criteria
Operating rating25.9 US tons
Inventory rating18.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2019)
Projected traffic10 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$204,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 61st Street over N Branch Cantapeta Creek built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1967.

What condition is 61st Street over N Branch Cantapeta 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 2024.

How much traffic does 61st Street over N Branch Cantapeta Creek carry?

About 10 vehicles per day (2019 count).

How long is 61st Street over N Branch Cantapeta Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 20 ft wide.

Who owns 61st Street over N Branch Cantapeta Creek?

It is owned by the County Highway Agency.