US Bridges

CR 58 over Overflow to the Rock R

Good

Rock County, Minnesota · 1.1 MI E of JCT TH 75 · Structure no. 67J86

Built
2006
19 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
55
2010 count
Owner
County
County Highway Agency

About this bridge

CR 58 over Overflow to the Rock R is a concrete culvert carrying CR 58 over Overflow to the Rock R in Rock 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 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 55 vehicles a day, projected to reach 55 by 2039. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCR 58
CrossesOverflow to the Rock R
Location1.1 MI E of JCT TH 75
RouteCounty Highway 58
Coordinates43.50024, -96.17409
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
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 spans3
Design loadHS 25 or greater
Structure length40 ft (12.1 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2010)
Projected traffic55 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 58 over Overflow to the Rock R built?

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

What condition is CR 58 over Overflow to the Rock R 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 2022.

How much traffic does CR 58 over Overflow to the Rock R carry?

About 55 vehicles per day (2010 count).

How long is CR 58 over Overflow to the Rock R?

The structure is 40 ft (12.1 m) long with a longest span of 12 ft (3.8 m).

Who owns CR 58 over Overflow to the Rock R?

It is owned by the County Highway Agency.