US Bridges

Freiberger Road over S Fork of N Br Cass Riv

Poor

Sanilac County, Michigan · Sec 10-11 Austin Twp · Structure no. 000000000009572

Built
1985
40 years old
Condition
Poor
inspected June 2024
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
160
2010 count
Owner
County
County Highway Agency

About this bridge

Freiberger Road over S Fork of N Br Cass Riv is a steel culvert carrying Freiberger Road over S Fork of N Br Cass Riv in Sanilac County, Michigan. It was built in 1985, so it is 40 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 160 vehicles a day, roughly 10% of them trucks, projected to reach 290 by 2030. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesFreiberger Road
CrossesS Fork of N Br Cass Riv
LocationSec 10-11 Austin Twp
RouteCounty Highway 0
CountySanilac County
StateMichigan
Coordinates43.65305, -82.91783
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (6.9 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2010)
Projected traffic290 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Freiberger Road over S Fork of N Br Cass Riv built?

It was built in 1985, making it 40 years old in 2025.

What condition is Freiberger Road over S Fork of N Br Cass Riv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Freiberger Road over S Fork of N Br Cass Riv carry?

About 160 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Freiberger Road over S Fork of N Br Cass Riv?

The structure is 23 ft (6.9 m) long with a longest span of 9 ft (2.8 m).

Who owns Freiberger Road over S Fork of N Br Cass Riv?

It is owned by the County Highway Agency.