US Bridges

Mn 100 over Minnehaha Creek

Fair

Hennepin County, Minnesota · 1.8 MI S of JCT TH 7 · Structure no. 27103

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
106,749
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 100 over Minnehaha Creek is a steel stringer/multi-beam or girder carrying Mn 100 over Minnehaha Creek in Hennepin County, Minnesota. It was built in 1970, so it is 55 years old, older 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 106,749 vehicles a day, roughly 6% of them trucks, projected to reach 94,000 by 2042. The structure is 59 ft (18.1 m) long and 115 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMn 100
CrossesMinnehaha Creek
Location1.8 MI S of JCT TH 7
RouteState Highway 100
CountyHennepin County
StateMinnesota
Coordinates44.91609, -93.35024
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.8 US tons
Inventory rating57.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (18.1 m)
Longest span52 ft (16 m)
Deck width115 ft (35.2 m)
Roadway width105 ft (32.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106,749 (2022)
Projected traffic94,000 by 2042
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 100 over Minnehaha Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Mn 100 over Minnehaha Creek 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 May 2023.

How much traffic does Mn 100 over Minnehaha Creek carry?

About 106,749 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Mn 100 over Minnehaha Creek?

The structure is 59 ft (18.1 m) long with a longest span of 52 ft (16 m) and a deck 115 ft wide.

Who owns Mn 100 over Minnehaha Creek?

It is owned by the State Highway Agency.