US Bridges

Csah 17 over CO Ditch # 11

Poor

Chippewa County, Minnesota · 0.4 MI SW of JCT Csah 4 · Structure no. 12531

Built
1978
47 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
510
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 17 over CO Ditch # 11 is a prestressed concrete tee beam carrying Csah 17 over CO Ditch # 11 in Chippewa County, Minnesota. It was built in 1978, so it is 47 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 510 vehicles a day, projected to reach 510 by 2039. The structure is 64 ft (19.5 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 17
CrossesCO Ditch # 11
Location0.4 MI SW of JCT Csah 4
RouteCounty Highway 17
Coordinates44.9052, -95.47544
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.7 US tons
Inventory rating33.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2016)
Projected traffic510 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 17 over CO Ditch # 11 built?

It was built in 1978, making it 47 years old in 2025.

What condition is Csah 17 over CO Ditch # 11 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Csah 17 over CO Ditch # 11 carry?

About 510 vehicles per day (2016 count).

How long is Csah 17 over CO Ditch # 11?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 40 ft wide.

Who owns Csah 17 over CO Ditch # 11?

It is owned by the County Highway Agency.