US Bridges

CR 78 over Trib Plumb Creek

Good

Redwood County, Minnesota · 0.8 MI S of JCT Csah 20 · Structure no. 64J59

Built
2020
5 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
115
2011 count
Owner
County
County Highway Agency

About this bridge

CR 78 over Trib Plumb Creek is a concrete culvert carrying CR 78 over Trib Plumb Creek in Redwood County, Minnesota. It was built in 2020, so it is 5 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 115 vehicles a day, projected to reach 115 by 2031. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 78
CrossesTrib Plumb Creek
Location0.8 MI S of JCT Csah 20
RouteCounty Highway 78
CountyRedwood County
StateMinnesota
Coordinates44.21328, -95.49291
Functional classRural Minor 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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length23 ft (7.1 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2011)
Projected traffic115 by 2031
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 78 over Trib Plumb Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is CR 78 over Trib Plumb Creek 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 April 2022.

How much traffic does CR 78 over Trib Plumb Creek carry?

About 115 vehicles per day (2011 count).

How long is CR 78 over Trib Plumb Creek?

The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3.2 m).

Who owns CR 78 over Trib Plumb Creek?

It is owned by the County Highway Agency.