US Bridges

Nd Highway 3 over N Rockford Canal NR1-1

Good

Wells County, North Dakota · 4 South Harvey · Structure no. 0003154369

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
690
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 3 over N Rockford Canal NR1-1 is a prestressed concrete stringer/multi-beam or girder carrying Nd Highway 3 over N Rockford Canal NR1-1 in Wells County, North Dakota. It was built in 1986, so it is 39 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 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 690 vehicles a day, roughly 13% of them trucks, projected to reach 690 by 2039. The structure is 92 ft (28 m) long and 43 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesNd Highway 3
CrossesN Rockford Canal NR1-1
Location4 South Harvey
RouteState Highway 3
Coordinates47.70315, -99.91963
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.6 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span89 ft (27.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2019)
Projected traffic690 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nd Highway 3 over N Rockford Canal NR1-1 built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nd Highway 3 over N Rockford Canal NR1-1 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 October 2024.

How much traffic does Nd Highway 3 over N Rockford Canal NR1-1 carry?

About 690 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is Nd Highway 3 over N Rockford Canal NR1-1?

The structure is 92 ft (28 m) long with a longest span of 89 ft (27.1 m) and a deck 43 ft wide.

Who owns Nd Highway 3 over N Rockford Canal NR1-1?

It is owned by the State Highway Agency.