US Bridges

Csah 16 over CO Ditch #31

Good

Wilkin County, Minnesota · 5.4 MI NE of JCT TH 9 · Structure no. 84J49

Built
2006
19 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
347
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over CO Ditch #31 is a concrete culvert carrying Csah 16 over CO Ditch #31 in Wilkin County, Minnesota. It was built in 2006, so it is 19 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 347 vehicles a day, projected to reach 355 by 2042. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCsah 16
CrossesCO Ditch #31
Location5.4 MI NE of JCT TH 9
RouteCounty Highway 16
CountyWilkin County
StateMinnesota
Coordinates46.32596, -96.46622
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length31 ft (9.3 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic347 (2022)
Projected traffic355 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 16 over CO Ditch #31 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Csah 16 over CO Ditch #31 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 2023.

How much traffic does Csah 16 over CO Ditch #31 carry?

About 347 vehicles per day (2022 count).

How long is Csah 16 over CO Ditch #31?

The structure is 31 ft (9.3 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 16 over CO Ditch #31?

It is owned by the County Highway Agency.