US Bridges

M 718 over Midtown Greenway

Poor

Hennepin County, Minnesota · 0.1 MI N of Lake ST · Structure no. L8908

Built
1913
112 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
3,300
2013 count
Owner
County
County Highway Agency

About this bridge

M 718 over Midtown Greenway is a concrete continuous stringer/multi-beam or girder carrying M 718 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,300 vehicles a day, projected to reach 3,300 by 2034. The structure is 94 ft (28.7 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM 718
CrossesMidtown Greenway
Location0.1 MI N of Lake ST
RouteCity Street 718
Coordinates44.95029, -93.283
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.4 US tons
Inventory rating27.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length94 ft (28.7 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 traffic3,300 (2013)
Projected traffic3,300 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$385 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was M 718 over Midtown Greenway built?

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

What condition is M 718 over Midtown Greenway in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does M 718 over Midtown Greenway carry?

About 3,300 vehicles per day (2013 count).

How long is M 718 over Midtown Greenway?

The structure is 94 ft (28.7 m) long with a longest span of 31 ft (9.6 m) and a deck 49 ft wide.

Who owns M 718 over Midtown Greenway?

It is owned by the County Highway Agency.