US Bridges

Mn 100 over I 394 I 394R

Fair

Hennepin County, Minnesota · At the JCT TH 100; 394 · Structure no. 27752

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
324 ft
2 main spans
Daily traffic
102,830
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 100 over I 394 I 394R is a steel continuous stringer/multi-beam or girder carrying Mn 100 over I 394 I 394R in Hennepin County, Minnesota. It was built in 1989, so it is 36 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 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 102,830 vehicles a day, roughly 3% of them trucks, projected to reach 105,000 by 2042. The structure is 324 ft (98.8 m) long and 132 ft wide.

Location

Open in Google Maps
CarriesMn 100
CrossesI 394 I 394R
LocationAt the JCT TH 100; 394
RouteState Highway 100
CountyHennepin County
StateMinnesota
Coordinates44.97065, -93.34088
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length324 ft (98.8 m)
Longest span162 ft (49.5 m)
Deck width132 ft (40.1 m)
Roadway width128 ft (39 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,830 (2022)
Projected traffic105,000 by 2042
Trucks3%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 100 over I 394 I 394R built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mn 100 over I 394 I 394R 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 2024.

How much traffic does Mn 100 over I 394 I 394R carry?

About 102,830 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Mn 100 over I 394 I 394R?

The structure is 324 ft (98.8 m) long with a longest span of 162 ft (49.5 m) and a deck 132 ft wide.

Who owns Mn 100 over I 394 I 394R?

It is owned by the State Highway Agency.