US Bridges

M 1121 over Minnehaha Creek

Good

Hennepin County, Minnesota · 0.1 MI W of JCT TH 55 · Structure no. 27192

Built
2000
25 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
112 ft
2 main spans
Daily traffic
5,500
2020 count
Owner
Local
Local Park, Forest, or Reservation Agency

About this bridge

M 1121 over Minnehaha Creek is a prestressed concrete slab carrying M 1121 over Minnehaha Creek in Hennepin County, Minnesota. It was built in 2000, so it is 25 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,500 vehicles a day, projected to reach 9,943 by 2040. The structure is 112 ft (34 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM 1121
CrossesMinnehaha Creek
Location0.1 MI W of JCT TH 55
RouteCity Street 1121
CountyHennepin County
StateMinnesota
Coordinates44.91624, -93.21645
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.4 US tons
Inventory rating54.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length112 ft (34 m)
Longest span54 ft (16.5 m)
Deck width50 ft (15.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2020)
Projected traffic9,943 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerLocal Park, Forest, or Reservation Agency
Maintained byLocal Park, Forest, or Reservation 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 M 1121 over Minnehaha Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is M 1121 over Minnehaha Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does M 1121 over Minnehaha Creek carry?

About 5,500 vehicles per day (2020 count).

How long is M 1121 over Minnehaha Creek?

The structure is 112 ft (34 m) long with a longest span of 54 ft (16.5 m) and a deck 50 ft wide.

Who owns M 1121 over Minnehaha Creek?

It is owned by the Local Park, Forest, or Reservation Agency.