US Bridges

Csah 78 over Ditch

Good

Dakota County, Minnesota · 0.4 MI S of JCT Csah 31 · Structure no. 19J72

Built
2017
8 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,152
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 78 over Ditch is a concrete culvert carrying Csah 78 over Ditch in Dakota County, Minnesota. It was built in 2017, so it is 8 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 1,152 vehicles a day, roughly 5% of them trucks, projected to reach 1,230 by 2041. The structure is 26 ft (8 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCsah 78
CrossesDitch
Location0.4 MI S of JCT Csah 31
RouteCounty Highway 78
Coordinates44.60401, -93.15726
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (8 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 traffic1,152 (2021)
Projected traffic1,230 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 78 over Ditch built?

It was built in 2017, making it 8 years old in 2025.

What condition is Csah 78 over Ditch 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 December 2022.

How much traffic does Csah 78 over Ditch carry?

About 1,152 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Csah 78 over Ditch?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 78 over Ditch?

It is owned by the County Highway Agency.