US Bridges

Csah 72 over Diversion Channel

Good

Polk County, Minnesota · NE of JCT Csah 58; 72 · Structure no. 60547

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
342 ft
3 main spans
Daily traffic
592
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 72 over Diversion Channel is a prestressed concrete stringer/multi-beam or girder carrying Csah 72 over Diversion Channel in Polk County, Minnesota. It was built in 2004, so it is 21 years old, younger 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 592 vehicles a day, roughly 2% of them trucks, projected to reach 660 by 2042. The structure is 342 ft (104.1 m) long and 43 ft wide.

CarriesCsah 72
CrossesDiversion Channel
LocationNE of JCT Csah 58; 72
RouteCounty Highway 72
Coordinates47.89238, -96.97421
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating109.8 US tons
Inventory rating50.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length342 ft (104.1 m)
Longest span114 ft (34.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic592 (2022)
Projected traffic660 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 72 over Diversion Channel built?

It was built in 2004, making it 21 years old in 2025.

What condition is Csah 72 over Diversion Channel 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 72 over Diversion Channel carry?

About 592 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Csah 72 over Diversion Channel?

The structure is 342 ft (104.1 m) long with a longest span of 114 ft (34.6 m) and a deck 43 ft wide.

Who owns Csah 72 over Diversion Channel?

It is owned by the County Highway Agency.