US Bridges

Csah 10 over Stony Brook

Good

Benton County, Minnesota · 0.7 MI S of JCT Csah 23 · Structure no. 93410

Built
1979
46 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
460
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 10 over Stony Brook is a concrete culvert carrying Csah 10 over Stony Brook in Benton County, Minnesota. It was built in 1979, so it is 46 years old, older 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 460 vehicles a day, projected to reach 560 by 2039. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 10
CrossesStony Brook
Location0.7 MI S of JCT Csah 23
RouteCounty Highway 10
CountyBenton County
StateMinnesota
Coordinates45.56009, -93.93459
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 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 traffic460 (2019)
Projected traffic560 by 2039
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 Csah 10 over Stony Brook built?

It was built in 1979, making it 46 years old in 2025.

What condition is Csah 10 over Stony Brook 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 2023.

How much traffic does Csah 10 over Stony Brook carry?

About 460 vehicles per day (2019 count).

How long is Csah 10 over Stony Brook?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 10 over Stony Brook?

It is owned by the County Highway Agency.