US Bridges

CR 107 over Rock River

Good

Pipestone County, Minnesota · 0.5 MI E of JCT Csah 16 · Structure no. 97756

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
36
2022 count
Owner
County
County Highway Agency

About this bridge

CR 107 over Rock River is a concrete culvert carrying CR 107 over Rock River in Pipestone County, Minnesota. It was built in 1993, so it is 32 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 36 vehicles a day, projected to reach 40 by 2042. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 107
CrossesRock River
Location0.5 MI E of JCT Csah 16
RouteCounty Highway 107
Coordinates44.06637, -96.17407
Functional classRural 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.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum 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 length26 ft (7.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2022)
Projected traffic40 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 107 over Rock River built?

It was built in 1993, making it 32 years old in 2025.

What condition is CR 107 over Rock River 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 September 2024.

How much traffic does CR 107 over Rock River carry?

About 36 vehicles per day (2022 count).

How long is CR 107 over Rock River?

The structure is 26 ft (7.8 m) long with a longest span of 10 ft (3 m).

Who owns CR 107 over Rock River?

It is owned by the County Highway Agency.