US Bridges

Bad Axe Road over S Fork of N Br Cass Riv

Poor

Sanilac County, Michigan · Sec 18 Austin Twp · Structure no. 000000000009568

Built
1990
35 years old
Condition
Poor
inspected July 2024
Type
Culvert
Steel
Length
43 ft
3 main spans
Daily traffic
150
2010 count
Owner
County
County Highway Agency

About this bridge

Bad Axe Road over S Fork of N Br Cass Riv is a steel culvert carrying Bad Axe Road over S Fork of N Br Cass Riv in Sanilac County, Michigan. It was built in 1990, so it is 35 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 150 vehicles a day, roughly 8% of them trucks, projected to reach 270 by 2030. The structure is 43 ft (13 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBad Axe Road
CrossesS Fork of N Br Cass Riv
LocationSec 18 Austin Twp
RouteCounty Highway 0
CountySanilac County
StateMichigan
Coordinates43.64268, -82.99745
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 protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 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 alignment7: Better than present minimum criteria
Operating rating24.7 US tons
Inventory rating14.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length43 ft (13 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 traffic150 (2010)
Projected traffic270 by 2030
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Bad Axe Road over S Fork of N Br Cass Riv built?

It was built in 1990, making it 35 years old in 2025.

What condition is Bad Axe 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 July 2024.

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

About 150 vehicles per day (2010 count), of which roughly 8% are trucks.

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

The structure is 43 ft (13 m) long with a longest span of 12 ft (3.7 m).

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

It is owned by the County Highway Agency.