US Bridges

I 394 over Ridgedale Drive

Fair

Hennepin County, Minnesota · 1.4 MI E of JCT TH 494 · Structure no. 27117

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
2 main spans
Daily traffic
40,500
2017 count
Owner
State
State Highway Agency

About this bridge

I 394 over Ridgedale Drive is a prestressed concrete stringer/multi-beam or girder carrying I 394 over Ridgedale Drive in Hennepin County, Minnesota. It was built in 1988, so it is 37 years old, younger than the Minnesota average of 38.5 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 40,500 vehicles a day, roughly 4% of them trucks, projected to reach 40,500 by 2039. The structure is 180 ft (54.9 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 394
CrossesRidgedale Drive
Location1.4 MI E of JCT TH 494
RouteInterstate 394
Coordinates44.97115, -93.43297
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span95 ft (28.9 m)
Deck width61 ft (18.5 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,500 (2017)
Projected traffic40,500 by 2039
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$796 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 394 over Ridgedale Drive built?

It was built in 1988, making it 37 years old in 2025.

What condition is I 394 over Ridgedale Drive 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 June 2023.

How much traffic does I 394 over Ridgedale Drive carry?

About 40,500 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is I 394 over Ridgedale Drive?

The structure is 180 ft (54.9 m) long with a longest span of 95 ft (28.9 m) and a deck 61 ft wide.

Who owns I 394 over Ridgedale Drive?

It is owned by the State Highway Agency.