US Bridges

Csah 16 over Des Moines River

Fair

Jackson County, Minnesota · 2.5 MI W of JCT TH 71 · Structure no. 32519

Built
1976
49 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
183 ft
2 main spans
Daily traffic
270
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over Des Moines River is a prestressed concrete stringer/multi-beam or girder carrying Csah 16 over Des Moines River in Jackson County, Minnesota. It was built in 1976, so it is 49 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 270 vehicles a day, projected to reach 270 by 2039. The structure is 183 ft (55.7 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCsah 16
CrossesDes Moines River
Location2.5 MI W of JCT TH 71
RouteCounty Highway 16
CountyJackson County
StateMinnesota
Coordinates43.69369, -95.03944
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.6 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length183 ft (55.7 m)
Longest span90 ft (27.4 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2016)
Projected traffic270 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$379 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 16 over Des Moines River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Csah 16 over Des Moines River 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 August 2024.

How much traffic does Csah 16 over Des Moines River carry?

About 270 vehicles per day (2016 count).

How long is Csah 16 over Des Moines River?

The structure is 183 ft (55.7 m) long with a longest span of 90 ft (27.4 m) and a deck 36 ft wide.

Who owns Csah 16 over Des Moines River?

It is owned by the County Highway Agency.