US Bridges

Con 4523 over Lyndale; Henn Ave Ramps

Fair

Hennepin County, Minnesota · At JCT Lyndale; Hennepin · Structure no. 27961

Built
1969
56 years old, rebuilt 1989
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
465 ft
5 main spans
Daily traffic
9,308
2022 count
Owner
State
State Highway Agency

About this bridge

Con 4523 over Lyndale; Henn Ave Ramps is a prestressed concrete stringer/multi-beam or girder carrying Con 4523 over Lyndale; Henn Ave Ramps in Hennepin County, Minnesota. It was built in 1969 and reconstructed in 1989, so it is 56 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 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 9,308 vehicles a day, projected to reach 10,400 by 2042. The structure is 465 ft (141.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCon 4523
CrossesLyndale; Henn Ave Ramps
LocationAt JCT Lyndale; Hennepin
RouteInterstate 4523
CountyHennepin County
StateMinnesota
Coordinates44.96528, -93.28885
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.3 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length465 ft (141.6 m)
Longest span96 ft (29.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,308 (2022)
Projected traffic10,400 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Con 4523 over Lyndale; Henn Ave Ramps built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1989.

What condition is Con 4523 over Lyndale; Henn Ave 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 September 2024.

How much traffic does Con 4523 over Lyndale; Henn Ave Ramps carry?

About 9,308 vehicles per day (2022 count).

How long is Con 4523 over Lyndale; Henn Ave Ramps?

The structure is 465 ft (141.6 m) long with a longest span of 96 ft (29.4 m) and a deck 32 ft wide.

Who owns Con 4523 over Lyndale; Henn Ave Ramps?

It is owned by the State Highway Agency.