US Bridges

Csah 37 over CO Ditch # 6

FairPosted for load

Waseca County, Minnesota · 0.4 MI S of JCT CSAH2 · Structure no. 81508

Built
1970
55 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
516
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 37 over CO Ditch # 6 is a prestressed concrete channel beam carrying Csah 37 over CO Ditch # 6 in Waseca 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. Its operating status is: posted for load restriction.

It carries about 516 vehicles a day, projected to reach 330 by 2042. The structure is 93 ft (28.4 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 37
CrossesCO Ditch # 6
Location0.4 MI S of JCT CSAH2
RouteCounty Highway 37
CountyWaseca County
StateMinnesota
Coordinates44.07424, -93.76832
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.2 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.4 m)
Longest span31 ft (9.5 m)
Deck width35 ft (10.8 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic516 (2022)
Projected traffic330 by 2042
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 37 over CO Ditch # 6 built?

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

What condition is Csah 37 over CO Ditch # 6 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 2024.

How much traffic does Csah 37 over CO Ditch # 6 carry?

About 516 vehicles per day (2022 count).

How long is Csah 37 over CO Ditch # 6?

The structure is 93 ft (28.4 m) long with a longest span of 31 ft (9.5 m) and a deck 35 ft wide.

Who owns Csah 37 over CO Ditch # 6?

It is owned by the County Highway Agency.