US Bridges

Csah 10 over Bogus Brook

Good

Mille Lacs County, Minnesota · 0.7 MI W of E CO Line · Structure no. 92843

Built
1971
54 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
390
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 10 over Bogus Brook is a concrete culvert carrying Csah 10 over Bogus Brook in Mille Lacs County, Minnesota. It was built in 1971, so it is 54 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 390 vehicles a day, projected to reach 360 by 2038. The structure is 30 ft (9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 10
CrossesBogus Brook
Location0.7 MI W of E CO Line
RouteCounty Highway 10
Coordinates45.71824, -93.52938
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2018)
Projected traffic360 by 2038
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 Bogus Brook built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 10 over Bogus 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 August 2021.

How much traffic does Csah 10 over Bogus Brook carry?

About 390 vehicles per day (2018 count).

How long is Csah 10 over Bogus Brook?

The structure is 30 ft (9 m) long with a longest span of 11 ft (3.5 m).

Who owns Csah 10 over Bogus Brook?

It is owned by the County Highway Agency.