US Bridges

Csah 1 over I 35W; SB on Ramp

Fair

Hennepin County, Minnesota · 2.5 MI S of JCT TH 494 · Structure no. 27735

Built
1986
39 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
209 ft
2 main spans
Daily traffic
26,809
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 1 over I 35W; SB on Ramp is a steel continuous stringer/multi-beam or girder carrying Csah 1 over I 35W; SB on Ramp in Hennepin County, Minnesota. It was built in 1986, so it is 39 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 26,809 vehicles a day, projected to reach 29,500 by 2041. The structure is 209 ft (63.6 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesI 35W; SB on Ramp
Location2.5 MI S of JCT TH 494
RouteCounty Highway 1
CountyHennepin County
StateMinnesota
Coordinates44.82634, -93.29159
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 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 rating109.8 US tons
Inventory rating69.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length209 ft (63.6 m)
Longest span105 ft (32.1 m)
Deck width104 ft (31.8 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,809 (2021)
Projected traffic29,500 by 2041
Trucks—
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Csah 1 over I 35W; SB on Ramp built?

It was built in 1986, making it 39 years old in 2025.

What condition is Csah 1 over I 35W; SB on 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 2023.

How much traffic does Csah 1 over I 35W; SB on Ramp carry?

About 26,809 vehicles per day (2021 count).

How long is Csah 1 over I 35W; SB on Ramp?

The structure is 209 ft (63.6 m) long with a longest span of 105 ft (32.1 m) and a deck 104 ft wide.

Who owns Csah 1 over I 35W; SB on Ramp?

It is owned by the State Highway Agency.