US Bridges

Mn 77 over 77th ST

Good

Hennepin County, Minnesota · 0.14 MI N of JCT I 494 · Structure no. 27R37

Built
2022
3 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
36,051
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 77 over 77th ST is a prestressed concrete stringer/multi-beam or girder carrying Mn 77 over 77th ST in Hennepin County, Minnesota. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 36,051 vehicles a day, roughly 3% of them trucks, projected to reach 37,500 by 2040. The structure is 82 ft (24.9 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMn 77
Crosses77th ST
Location0.14 MI N of JCT I 494
RouteState Highway 77
Coordinates44.86416, -93.24762
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (24.9 m)
Longest span78 ft (23.7 m)
Deck width90 ft (27.5 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,051 (2021)
Projected traffic37,500 by 2040
Trucks3%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 77 over 77th ST built?

It was built in 2022, making it 3 years old in 2025.

What condition is Mn 77 over 77th ST 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 July 2024.

How much traffic does Mn 77 over 77th ST carry?

About 36,051 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Mn 77 over 77th ST?

The structure is 82 ft (24.9 m) long with a longest span of 78 ft (23.7 m) and a deck 90 ft wide.

Who owns Mn 77 over 77th ST?

It is owned by the State Highway Agency.