US Bridges

County Highway over I-94/HILL Interchange

Fair

Cass County, North Dakota · 4 West of Nd 38 · Structure no. 0094310456

Built
1959
66 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
220 ft
4 main spans
Daily traffic
50
2020 count
Owner
State
State Highway Agency

About this bridge

County Highway over I-94/HILL Interchange is a prestressed concrete continuous stringer/multi-beam or girder carrying County Highway over I-94/HILL Interchange in Cass County, North Dakota. It was built in 1959, so it is 66 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.

It carries about 50 vehicles a day, projected to reach 50 by 2040. The structure is 220 ft (67.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Highway
CrossesI-94/HILL Interchange
Location4 West of Nd 38
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.89067, -97.64076
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82.2 US tons
Inventory rating49.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic50 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 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 I-94/HILL Interchange built?

It was built in 1959, making it 66 years old in 2025.

What condition is County Highway over I-94/HILL Interchange 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 September 2023.

How much traffic does County Highway over I-94/HILL Interchange carry?

About 50 vehicles per day (2020 count).

How long is County Highway over I-94/HILL Interchange?

The structure is 220 ft (67.1 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns County Highway over I-94/HILL Interchange?

It is owned by the State Highway Agency.