US Bridges

Csah 52 over Mississippi River; ST

Fair

Hennepin County, Minnesota · 0.1 MI W JCT Csah 23 · Structure no. 27537

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
414 ft
4 main spans
Daily traffic
6,033
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 52 over Mississippi River; ST is a steel continuous stringer/multi-beam or girder carrying Csah 52 over Mississippi River; ST in Hennepin County, Minnesota. It was built in 1971, so it is 54 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 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 6,033 vehicles a day, projected to reach 26,500 by 2041. The structure is 414 ft (126.1 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 52
CrossesMississippi River; ST
Location0.1 MI W JCT Csah 23
RouteCounty Highway 52
CountyHennepin County
StateMinnesota
Coordinates44.98735, -93.26043
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length414 ft (126.1 m)
Longest span119 ft (36.3 m)
Deck width54 ft (16.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,033 (2021)
Projected traffic26,500 by 2041
Trucks—
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 52 over Mississippi River; ST built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 52 over Mississippi River; ST 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 52 over Mississippi River; ST carry?

About 6,033 vehicles per day (2021 count).

How long is Csah 52 over Mississippi River; ST?

The structure is 414 ft (126.1 m) long with a longest span of 119 ft (36.3 m) and a deck 54 ft wide.

Who owns Csah 52 over Mississippi River; ST?

It is owned by the County Highway Agency.