US Bridges

Con 2478 over Am Blvd; 494/5 Ramps

Fair

Hennepin County, Minnesota · At the JCT TH 494; 77 · Structure no. 27052C

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
603 ft
4 main spans
Daily traffic
4,549
2022 count
Owner
State
State Highway Agency

About this bridge

Con 2478 over Am Blvd; 494/5 Ramps is a steel continuous stringer/multi-beam or girder carrying Con 2478 over Am Blvd; 494/5 Ramps in Hennepin County, Minnesota. It was built in 1989, so it is 36 years old, younger 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 6 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 4,549 vehicles a day, projected to reach 10,000 by 2042. The structure is 603 ft (183.9 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCon 2478
CrossesAm Blvd; 494/5 Ramps
LocationAt the JCT TH 494; 77
RouteState Highway 2478
CountyHennepin County
StateMinnesota
Coordinates44.86106, -93.24641
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82.8 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length603 ft (183.9 m)
Longest span205 ft (62.6 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,549 (2022)
Projected traffic10,000 by 2042
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Con 2478 over Am Blvd; 494/5 Ramps built?

It was built in 1989, making it 36 years old in 2025.

What condition is Con 2478 over Am Blvd; 494/5 Ramps 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 April 2024.

How much traffic does Con 2478 over Am Blvd; 494/5 Ramps carry?

About 4,549 vehicles per day (2022 count).

How long is Con 2478 over Am Blvd; 494/5 Ramps?

The structure is 603 ft (183.9 m) long with a longest span of 205 ft (62.6 m) and a deck 39 ft wide.

Who owns Con 2478 over Am Blvd; 494/5 Ramps?

It is owned by the State Highway Agency.