US Bridges

Csah 66 over I 35W; NB Off Ramp

Fair

Hennepin County, Minnesota · 1.9 MI SW of JCT TH 280 · Structure no. 27886

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
290 ft
3 main spans
Daily traffic
21,376
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 66 over I 35W; NB Off Ramp is a steel continuous stringer/multi-beam or girder carrying Csah 66 over I 35W; NB Off Ramp in Hennepin County, Minnesota. It was built in 1972, so it is 53 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 21,376 vehicles a day, projected to reach 18,000 by 2041. The structure is 290 ft (88.4 m) long and 70 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 66
CrossesI 35W; NB Off Ramp
Location1.9 MI SW of JCT TH 280
RouteCounty Highway 66
Coordinates44.99869, -93.23781
Functional classUrban Minor Arterial

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 inspectionApril 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span108 ft (32.9 m)
Deck width70 ft (21.4 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,376 (2021)
Projected traffic18,000 by 2041
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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 Csah 66 over I 35W; NB Off Ramp built?

It was built in 1972, making it 53 years old in 2025.

What condition is Csah 66 over I 35W; NB Off Ramp 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 Csah 66 over I 35W; NB Off Ramp carry?

About 21,376 vehicles per day (2021 count).

How long is Csah 66 over I 35W; NB Off Ramp?

The structure is 290 ft (88.4 m) long with a longest span of 108 ft (32.9 m) and a deck 70 ft wide.

Who owns Csah 66 over I 35W; NB Off Ramp?

It is owned by the State Highway Agency.