US Bridges

County Highway over I94/LONG Lake Inter

Fair

Kidder County, North Dakota · 6 West of Nd 3 North · Structure no. 0094195090

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
240 ft
4 main spans
Daily traffic
110
2019 count
Owner
State
State Highway Agency

About this bridge

County Highway over I94/LONG Lake Inter is a prestressed concrete continuous stringer/multi-beam or girder carrying County Highway over I94/LONG Lake Inter in Kidder County, North Dakota. It was built in 1966, so it is 59 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 110 vehicles a day, roughly 14% of them trucks, projected to reach 110 by 2039. The structure is 240 ft (73.2 m) long and 30 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

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CarriesCounty Highway
CrossesI94/LONG Lake Inter
Location6 West of Nd 3 North
RouteCounty Highway 0
CountyKidder County
StateNorth Dakota
Coordinates46.8646, -100.03528
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating66.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length240 ft (73.2 m)
Longest span66 ft (20.1 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2019)
Projected traffic110 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed41 mi (66 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Highway over I94/LONG Lake Inter built?

It was built in 1966, making it 59 years old in 2025.

What condition is County Highway over I94/LONG Lake Inter 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 April 2024.

How much traffic does County Highway over I94/LONG Lake Inter carry?

About 110 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is County Highway over I94/LONG Lake Inter?

The structure is 240 ft (73.2 m) long with a longest span of 66 ft (20.1 m) and a deck 30 ft wide.

Who owns County Highway over I94/LONG Lake Inter?

It is owned by the State Highway Agency.