US Bridges

M 708 over Midtown Greenway

Fair

Hennepin County, Minnesota · 0.1 MI N of Lake ST · Structure no. L8904

Built
1913
112 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
1,074
2018 count
Owner
County
County Highway Agency

About this bridge

M 708 over Midtown Greenway is a concrete continuous stringer/multi-beam or girder carrying M 708 over Midtown Greenway in Hennepin County, Minnesota. It was built in 1913, so it is 112 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 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 1,074 vehicles a day, projected to reach 1,074 by 2034. The structure is 94 ft (28.8 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM 708
CrossesMidtown Greenway
Location0.1 MI N of Lake ST
RouteCity Street 708
CountyHennepin County
StateMinnesota
Coordinates44.95029, -93.28936
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length94 ft (28.8 m)
Longest span31 ft (9.6 m)
Deck width49 ft (14.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,074 (2018)
Projected traffic1,074 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$369 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was M 708 over Midtown Greenway built?

It was built in 1913, making it 112 years old in 2025.

What condition is M 708 over Midtown Greenway 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 M 708 over Midtown Greenway carry?

About 1,074 vehicles per day (2018 count).

How long is M 708 over Midtown Greenway?

The structure is 94 ft (28.8 m) long with a longest span of 31 ft (9.6 m) and a deck 49 ft wide.

Who owns M 708 over Midtown Greenway?

It is owned by the County Highway Agency.