US Bridges

Csah 3 over Ditch

PoorPosted for load

Chippewa County, Minnesota · 0.5 MI N of JCT TH 40 · Structure no. 90148

Built
1958
67 years old
Condition
Poor
inspected July 2024
Type
Slab
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
235
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Ditch is a wood or timber slab carrying Csah 3 over Ditch in Chippewa County, Minnesota. It was built in 1958, so it is 67 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 3 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 235 vehicles a day, projected to reach 170 by 2040. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 3
CrossesDitch
Location0.5 MI N of JCT TH 40
RouteCounty Highway 3
Coordinates45.11642, -95.41066
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length40 ft (12.2 m)
Longest span18 ft (5.6 m)
Deck width29 ft (8.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic235 (2020)
Projected traffic170 by 2040
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 3 over Ditch built?

It was built in 1958, making it 67 years old in 2025.

What condition is Csah 3 over Ditch 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 3 over Ditch carry?

About 235 vehicles per day (2020 count).

How long is Csah 3 over Ditch?

The structure is 40 ft (12.2 m) long with a longest span of 18 ft (5.6 m) and a deck 29 ft wide.

Who owns Csah 3 over Ditch?

It is owned by the County Highway Agency.