US Bridges

Csah 20 over Jud Ditch # 75

Good

Polk County, Minnesota · 1.7 MI N of JCT Csah 23 · Structure no. 60525

Built
1978
47 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
754
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 20 over Jud Ditch # 75 is a prestressed concrete tee beam carrying Csah 20 over Jud Ditch # 75 in Polk 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 754 vehicles a day, projected to reach 640 by 2041. The structure is 60 ft (18.4 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 20
CrossesJud Ditch # 75
Location1.7 MI N of JCT Csah 23
RouteCounty Highway 20
Coordinates48.1024, -96.78196
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating34.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.4 m)
Longest span59 ft (18 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic754 (2021)
Projected traffic640 by 2041
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 20 over Jud Ditch # 75 built?

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

What condition is Csah 20 over Jud Ditch # 75 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Csah 20 over Jud Ditch # 75 carry?

About 754 vehicles per day (2021 count).

How long is Csah 20 over Jud Ditch # 75?

The structure is 60 ft (18.4 m) long with a longest span of 59 ft (18 m) and a deck 36 ft wide.

Who owns Csah 20 over Jud Ditch # 75?

It is owned by the County Highway Agency.