US Bridges

Csah 27 over Stony Brook

Good

Benton County, Minnesota · 0.3 MI NW of JCT Csah 32 · Structure no. 05J01

Built
1997
28 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,200
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 27 over Stony Brook is a concrete culvert carrying Csah 27 over Stony Brook in Benton County, Minnesota. It was built in 1997, so it is 28 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 1,200 vehicles a day, projected to reach 1,150 by 2039. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 27
CrossesStony Brook
Location0.3 MI NW of JCT Csah 32
RouteCounty Highway 27
Coordinates45.66513, -93.90889
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable 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 length25 ft (7.7 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2019)
Projected traffic1,150 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 27 over Stony Brook built?

It was built in 1997, making it 28 years old in 2025.

What condition is Csah 27 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 November 2023.

How much traffic does Csah 27 over Stony Brook carry?

About 1,200 vehicles per day (2019 count).

How long is Csah 27 over Stony Brook?

The structure is 25 ft (7.7 m) long with a longest span of 10 ft (3.1 m).

Who owns Csah 27 over Stony Brook?

It is owned by the County Highway Agency.