US Bridges

Con 823 over Linden Ave/Dunwoody Blvd

Fair

Hennepin County, Minnesota · 0.4 MI W of JCT TH 94 · Structure no. 27776D

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
512 ft
4 main spans
Daily traffic
63,000
2020 count
Owner
State
State Highway Agency

About this bridge

Con 823 over Linden Ave/Dunwoody Blvd is a steel continuous stringer/multi-beam or girder carrying Con 823 over Linden Ave/Dunwoody Blvd in Hennepin County, Minnesota. It was built in 1987, so it is 38 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 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 63,000 vehicles a day, projected to reach 2,000 by 2040. The structure is 512 ft (156 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCon 823
CrossesLinden Ave/Dunwoody Blvd
Location0.4 MI W of JCT TH 94
RouteInterstate 823
Coordinates44.97242, -93.29648
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length512 ft (156 m)
Longest span150 ft (45.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,000 (2020)
Projected traffic2,000 by 2040
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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 823 over Linden Ave/Dunwoody Blvd built?

It was built in 1987, making it 38 years old in 2025.

What condition is Con 823 over Linden Ave/Dunwoody Blvd 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 October 2023.

How much traffic does Con 823 over Linden Ave/Dunwoody Blvd carry?

About 63,000 vehicles per day (2020 count).

How long is Con 823 over Linden Ave/Dunwoody Blvd?

The structure is 512 ft (156 m) long with a longest span of 150 ft (45.7 m) and a deck 31 ft wide.

Who owns Con 823 over Linden Ave/Dunwoody Blvd?

It is owned by the State Highway Agency.