US Bridges

I-94 Business Loop over I-94/EAST Medora Int

Fair

Billings County, North Dakota · East Medora Int · Structure no. 0094027243

Built
1965
60 years old, rebuilt 1980
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
341 ft
4 main spans
Daily traffic
800
2019 count
Owner
State
State Highway Agency

About this bridge

I-94 Business Loop over I-94/EAST Medora Int is a steel continuous stringer/multi-beam or girder carrying I-94 Business Loop over I-94/EAST Medora Int in Billings County, North Dakota. It was built in 1965 and reconstructed in 1980, so it is 60 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 800 vehicles a day, roughly 10% of them trucks, projected to reach 876 by 2039. The structure is 341 ft (103.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-94 Business Loop
CrossesI-94/EAST Medora Int
LocationEast Medora Int
RouteU.S. Route 94
CountyBillings County
StateNorth Dakota
Coordinates46.91668, -103.49307
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.6 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length341 ft (103.9 m)
Longest span105 ft (32 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2019)
Projected traffic876 by 2039
Trucks10%
Lanes on structure1
Traffic directionOne-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 I-94 Business Loop over I-94/EAST Medora Int built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1980.

What condition is I-94 Business Loop over I-94/EAST Medora Int 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 2023.

How much traffic does I-94 Business Loop over I-94/EAST Medora Int carry?

About 800 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is I-94 Business Loop over I-94/EAST Medora Int?

The structure is 341 ft (103.9 m) long with a longest span of 105 ft (32 m) and a deck 30 ft wide.

Who owns I-94 Business Loop over I-94/EAST Medora Int?

It is owned by the State Highway Agency.