US Bridges

County Road over Mcclusky Canal R1-1A

Good

McLean County, North Dakota · 11 East Coleharbor · Structure no. 000000028161210

Built
1973
52 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
114 ft
2 main spans
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

County Road over Mcclusky Canal R1-1A is a prestressed concrete continuous box beam or girders - single or spread carrying County Road over Mcclusky Canal R1-1A in McLean County, North Dakota. It was built in 1973, so it is 52 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 25 vehicles a day, projected to reach 25 by 2039. The structure is 114 ft (34.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road
CrossesMcclusky Canal R1-1A
Location11 East Coleharbor
RouteCounty Highway 0
Coordinates47.54946, -100.99309
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.4 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length114 ft (34.7 m)
Longest span56 ft (17.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Mcclusky Canal R1-1A built?

It was built in 1973, making it 52 years old in 2025.

What condition is County Road over Mcclusky Canal R1-1A 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 April 2023.

How much traffic does County Road over Mcclusky Canal R1-1A carry?

About 25 vehicles per day (2019 count).

How long is County Road over Mcclusky Canal R1-1A?

The structure is 114 ft (34.7 m) long with a longest span of 56 ft (17.1 m) and a deck 30 ft wide.

Who owns County Road over Mcclusky Canal R1-1A?

It is owned by the County Highway Agency.