US Bridges

Csah 42 over I 35W

Fair

Dakota County, Minnesota · 0.4 MI N of JCT TH 35E · Structure no. 19527

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
291 ft
2 main spans
Daily traffic
47,182
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 42 over I 35W is a steel continuous stringer/multi-beam or girder carrying Csah 42 over I 35W in Dakota 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 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 47,182 vehicles a day, roughly 3% of them trucks, projected to reach 51,000 by 2041. The structure is 291 ft (88.6 m) long and 150 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 42
CrossesI 35W
Location0.4 MI N of JCT TH 35E
RouteCounty Highway 42
Coordinates44.74574, -93.28298
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
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 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.8 US tons
Inventory rating64.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length291 ft (88.6 m)
Longest span144 ft (43.9 m)
Deck width150 ft (45.8 m)
Roadway width128 ft (39 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,182 (2021)
Projected traffic51,000 by 2041
Trucks3%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 42 over I 35W built?

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

What condition is Csah 42 over I 35W 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 2023.

How much traffic does Csah 42 over I 35W carry?

About 47,182 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Csah 42 over I 35W?

The structure is 291 ft (88.6 m) long with a longest span of 144 ft (43.9 m) and a deck 150 ft wide.

Who owns Csah 42 over I 35W?

It is owned by the State Highway Agency.