US Bridges

Csah 16 over Ruffy Brook

Good

Clearwater County, Minnesota · 0.3 MI N of JCT Csah 4 · Structure no. 15J04

Built
2000
25 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
100
2011 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over Ruffy Brook is a concrete culvert carrying Csah 16 over Ruffy Brook in Clearwater County, Minnesota. It was built in 2000, so it is 25 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 100 vehicles a day, projected to reach 100 by 2039. The structure is 26 ft (8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 16
CrossesRuffy Brook
Location0.3 MI N of JCT Csah 4
RouteCounty Highway 16
Coordinates47.7073, -95.3664
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 inspectionSeptember 2021
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 rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2011)
Projected traffic100 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 16 over Ruffy Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is Csah 16 over Ruffy 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 September 2021.

How much traffic does Csah 16 over Ruffy Brook carry?

About 100 vehicles per day (2011 count).

How long is Csah 16 over Ruffy Brook?

The structure is 26 ft (8 m) long with a longest span of 10 ft (2.9 m).

Who owns Csah 16 over Ruffy Brook?

It is owned by the County Highway Agency.