US Bridges

Csah 1 over I 494 EB on Ramp

Fair

Hennepin County, Minnesota · 0.4 MI E of JCT TH 77 · Structure no. 27712

Built
1989
36 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
14,462
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 1 over I 494 EB on Ramp is a steel stringer/multi-beam or girder carrying Csah 1 over I 494 EB on Ramp in Hennepin 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 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 14,462 vehicles a day, projected to reach 22,100 by 2041. The structure is 61 ft (18.6 m) long and 266 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesI 494 EB on Ramp
Location0.4 MI E of JCT TH 77
RouteCounty Highway 1
CountyHennepin County
StateMinnesota
Coordinates44.86181, -93.23768
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 rating109.8 US tons
Inventory rating66.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.6 m)
Longest span48 ft (14.6 m)
Deck width266 ft (81.1 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,462 (2021)
Projected traffic22,100 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 494 EB on Ramp built?

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

What condition is Csah 1 over I 494 EB 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 October 2023.

How much traffic does Csah 1 over I 494 EB on Ramp carry?

About 14,462 vehicles per day (2021 count).

How long is Csah 1 over I 494 EB on Ramp?

The structure is 61 ft (18.6 m) long with a longest span of 48 ft (14.6 m) and a deck 266 ft wide.

Who owns Csah 1 over I 494 EB on Ramp?

It is owned by the State Highway Agency.