US Bridges

Mn 62 over TH 77

Fair

Hennepin County, Minnesota · At the JCT TH 77; 62 · Structure no. 27022

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
2 main spans
Daily traffic
48,447
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 62 over TH 77 is a steel continuous stringer/multi-beam or girder carrying Mn 62 over TH 77 in Hennepin County, Minnesota. It was built in 1962, so it is 63 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 48,447 vehicles a day, roughly 3% of them trucks, projected to reach 55,500 by 2042. The structure is 183 ft (55.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMn 62
CrossesTH 77
LocationAt the JCT TH 77; 62
RouteState Highway 62
CountyHennepin County
StateMinnesota
Coordinates44.89554, -93.2472
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.2 US tons
Inventory rating38.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span94 ft (28.6 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,447 (2022)
Projected traffic55,500 by 2042
Trucks3%
Lanes on structure3
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$202 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 62 over TH 77 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Mn 62 over TH 77 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 August 2024.

How much traffic does Mn 62 over TH 77 carry?

About 48,447 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Mn 62 over TH 77?

The structure is 183 ft (55.8 m) long with a longest span of 94 ft (28.6 m) and a deck 47 ft wide.

Who owns Mn 62 over TH 77?

It is owned by the State Highway Agency.