US Bridges

I 35W over W 66th ST

Fair

Hennepin County, Minnesota · 0.5 MI S of JCT TH 62 · Structure no. 27V11

Built
1999
26 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
128 ft
2 main spans
Daily traffic
104,898
2022 count
Owner
State
State Highway Agency

About this bridge

I 35W over W 66th ST is a prestressed concrete stringer/multi-beam or girder carrying I 35W over W 66th ST in Hennepin County, Minnesota. It was built in 1999, so it is 26 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 104,898 vehicles a day, roughly 12% of them trucks, projected to reach 112,000 by 2042. The structure is 128 ft (39.1 m) long and 128 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 35W
CrossesW 66th ST
Location0.5 MI S of JCT TH 62
RouteInterstate 35W
CountyHennepin County
StateMinnesota
Coordinates44.88338, -93.29588
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating33.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 25 or greater
Structure length128 ft (39.1 m)
Longest span60 ft (18.2 m)
Deck width128 ft (39.1 m)
Roadway width122 ft (37.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104,898 (2022)
Projected traffic112,000 by 2042
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 35W over W 66th ST built?

It was built in 1999, making it 26 years old in 2025.

What condition is I 35W over W 66th ST 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 June 2023.

How much traffic does I 35W over W 66th ST carry?

About 104,898 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I 35W over W 66th ST?

The structure is 128 ft (39.1 m) long with a longest span of 60 ft (18.2 m) and a deck 128 ft wide.

Who owns I 35W over W 66th ST?

It is owned by the State Highway Agency.