US Bridges

CR 78 over Ditch #41

Good

Clay County, Minnesota · 0.1 MI N of JCT CR 81 · Structure no. 14K09

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
308
2021 count
Owner
County
County Highway Agency

About this bridge

CR 78 over Ditch #41 is a concrete culvert carrying CR 78 over Ditch #41 in Clay County, Minnesota. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 308 vehicles a day, projected to reach 365 by 2041. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 78
CrossesDitch #41
Location0.1 MI N of JCT CR 81
RouteCounty Highway 78
Coordinates46.87224, -96.70321
Functional classUrban Local

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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic308 (2021)
Projected traffic365 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 CR 78 over Ditch #41 built?

It was built in 2010, making it 15 years old in 2025.

What condition is CR 78 over Ditch #41 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 CR 78 over Ditch #41 carry?

About 308 vehicles per day (2021 count).

How long is CR 78 over Ditch #41?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns CR 78 over Ditch #41?

It is owned by the County Highway Agency.