US Bridges

Csah 4 over Jud Ditch # 12

PoorPosted for load

Redwood County, Minnesota · 0.1 MI E of JCT Csah 5 · Structure no. 64518

Built
1971
54 years old
Condition
Poor
inspected November 2024
Type
Slab
Wood or Timber
Length
70 ft
3 main spans
Daily traffic
150
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over Jud Ditch # 12 is a wood or timber slab carrying Csah 4 over Jud Ditch # 12 in Redwood County, Minnesota. It was built in 1971, so it is 54 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, projected to reach 155 by 2039. The structure is 70 ft (21.2 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 4
CrossesJud Ditch # 12
Location0.1 MI E of JCT Csah 5
RouteCounty Highway 4
CountyRedwood County
StateMinnesota
Coordinates44.32668, -95.47146
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.7 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length70 ft (21.2 m)
Longest span26 ft (7.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic155 by 2039
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 4 over Jud Ditch # 12 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 4 over Jud Ditch # 12 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 November 2024.

How much traffic does Csah 4 over Jud Ditch # 12 carry?

About 150 vehicles per day (2019 count).

How long is Csah 4 over Jud Ditch # 12?

The structure is 70 ft (21.2 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.

Who owns Csah 4 over Jud Ditch # 12?

It is owned by the County Highway Agency.