US Bridges

US Highway 83 over Long Lake

Good

Burleigh County, North Dakota · 10 South I-94 · Structure no. 0083056456

Built
1961
64 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
60 ft
2 main spans
Daily traffic
1,410
2019 count
Owner
State
State Highway Agency

About this bridge

US Highway 83 over Long Lake is a concrete continuous slab carrying US Highway 83 over Long Lake in Burleigh County, North Dakota. It was built in 1961, so it is 64 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 1,410 vehicles a day, roughly 13% of them trucks, projected to reach 1,350 by 2039. The structure is 60 ft (18.3 m) long and 46 ft wide. If it were closed, the detour would be 49.1 mi (79 km).

CarriesUS Highway 83
CrossesLong Lake
Location10 South I-94
RouteU.S. Route 83
Coordinates46.69923, -100.29064
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating34.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span28 ft (8.5 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,410 (2019)
Projected traffic1,350 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.1 mi (79 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 US Highway 83 over Long Lake built?

It was built in 1961, making it 64 years old in 2025.

What condition is US Highway 83 over Long Lake 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 June 2023.

How much traffic does US Highway 83 over Long Lake carry?

About 1,410 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is US Highway 83 over Long Lake?

The structure is 60 ft (18.3 m) long with a longest span of 28 ft (8.5 m) and a deck 46 ft wide.

Who owns US Highway 83 over Long Lake?

It is owned by the State Highway Agency.