US Bridges

Csah 66 over CO Ditch # 2

Fair

Polk County, Minnesota · 0.1 MI S of JCT Csah 67 · Structure no. 60512

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
468
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 66 over CO Ditch # 2 is a steel stringer/multi-beam or girder carrying Csah 66 over CO Ditch # 2 in Polk County, Minnesota. It was built in 1968, so it is 57 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 468 vehicles a day, projected to reach 120 by 2041. The structure is 54 ft (16.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 66
CrossesCO Ditch # 2
Location0.1 MI S of JCT Csah 67
RouteCounty Highway 66
CountyPolk County
StateMinnesota
Coordinates48.04983, -96.88963
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating68.3 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length54 ft (16.6 m)
Longest span50 ft (15.1 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic468 (2021)
Projected traffic120 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 66 over CO Ditch # 2 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 66 over CO Ditch # 2 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 October 2024.

How much traffic does Csah 66 over CO Ditch # 2 carry?

About 468 vehicles per day (2021 count).

How long is Csah 66 over CO Ditch # 2?

The structure is 54 ft (16.6 m) long with a longest span of 50 ft (15.1 m) and a deck 31 ft wide.

Who owns Csah 66 over CO Ditch # 2?

It is owned by the County Highway Agency.