US Bridges

Csah 17 over I 494

Fair

Hennepin County, Minnesota · 1.5 MI W of JCT TH 35W · Structure no. 27892

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
207 ft
2 main spans
Daily traffic
18,177
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 17 over I 494 is a prestressed concrete stringer/multi-beam or girder carrying Csah 17 over I 494 in Hennepin County, Minnesota. It was built in 1985, so it is 40 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 18,177 vehicles a day, projected to reach 22,700 by 2041. The structure is 207 ft (63 m) long and 134 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 17
CrossesI 494
Location1.5 MI W of JCT TH 35W
RouteCounty Highway 17
Coordinates44.85893, -93.32878
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 rating73.6 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length207 ft (63 m)
Longest span101 ft (30.7 m)
Deck width134 ft (40.9 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,177 (2021)
Projected traffic22,700 by 2041
Trucks—
Lanes on structure9
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 17 over I 494 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Csah 17 over I 494 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 17 over I 494 carry?

About 18,177 vehicles per day (2021 count).

How long is Csah 17 over I 494?

The structure is 207 ft (63 m) long with a longest span of 101 ft (30.7 m) and a deck 134 ft wide.

Who owns Csah 17 over I 494?

It is owned by the State Highway Agency.