US Bridges

County Highway over I-94/DURBIN Separation

Fair

Cass County, North Dakota · 3 M East of 18 · Structure no. 0094333715

Built
1959
66 years old, rebuilt 1998
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
220 ft
4 main spans
Daily traffic
25
2019 count
Owner
State
State Highway Agency

About this bridge

County Highway over I-94/DURBIN Separation is a prestressed concrete continuous stringer/multi-beam or girder carrying County Highway over I-94/DURBIN Separation in Cass County, North Dakota. It was built in 1959 and reconstructed in 1998, 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 25 vehicles a day, projected to reach 25 by 2039. The structure is 220 ft (67.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesI-94/DURBIN Separation
Location3 M East of 18
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.87669, -97.15874
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.9 US tons
Inventory rating35.8 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 width30 ft (9.2 m)
Roadway width24 ft (7.3 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
CrossesHighway
Detour if closed1.9 mi (3 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/DURBIN Separation built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1998.

What condition is County Highway over I-94/DURBIN Separation 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 August 2024.

How much traffic does County Highway over I-94/DURBIN Separation carry?

About 25 vehicles per day (2019 count).

How long is County Highway over I-94/DURBIN Separation?

The structure is 220 ft (67.1 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns County Highway over I-94/DURBIN Separation?

It is owned by the State Highway Agency.