US Bridges

Csah 36 over Marion Creek

Fair

Olmsted County, Minnesota · 0.3 MI N of JCT TH 52 · Structure no. 55023

Built
1970
55 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
139 ft
3 main spans
Daily traffic
5,200
2014 count
Owner
County
County Highway Agency

About this bridge

Csah 36 over Marion Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 36 over Marion Creek in Olmsted County, Minnesota. It was built in 1970, so it is 55 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 5,200 vehicles a day, projected to reach 5,330 by 2034. The structure is 139 ft (42.3 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 36
CrossesMarion Creek
Location0.3 MI N of JCT TH 52
RouteCounty Highway 36
CountyOlmsted County
StateMinnesota
Coordinates43.96122, -92.37878
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length139 ft (42.3 m)
Longest span46 ft (14 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2014)
Projected traffic5,330 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 36 over Marion Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Csah 36 over Marion Creek 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 November 2023.

How much traffic does Csah 36 over Marion Creek carry?

About 5,200 vehicles per day (2014 count).

How long is Csah 36 over Marion Creek?

The structure is 139 ft (42.3 m) long with a longest span of 46 ft (14 m) and a deck 40 ft wide.

Who owns Csah 36 over Marion Creek?

It is owned by the County Highway Agency.