US Bridges

Hoadley Road over N Br Cass River

Fair

Sanilac County, Michigan · SEC16-17 Greenleaf Twp · Structure no. 000000000009628

Built
1991
34 years old
Condition
Fair
inspected June 2024
Type
Slab
Wood or Timber
Length
54 ft
3 main spans
Daily traffic
240
2010 count
Owner
County
County Highway Agency

About this bridge

Hoadley Road over N Br Cass River is a wood or timber slab carrying Hoadley Road over N Br Cass River in Sanilac County, Michigan. It was built in 1991, so it is 34 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 240 vehicles a day, roughly 10% of them trucks, projected to reach 430 by 2030. The structure is 54 ft (16.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHoadley Road
CrossesN Br Cass River
LocationSEC16-17 Greenleaf Twp
RouteCounty Highway 0
CountySanilac County
StateMichigan
Coordinates43.64123, -83.07765
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating70 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2010)
Projected traffic430 by 2030
Trucks10%
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 Hoadley Road over N Br Cass River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Hoadley Road over N Br Cass River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Hoadley Road over N Br Cass River carry?

About 240 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Hoadley Road over N Br Cass River?

The structure is 54 ft (16.5 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Hoadley Road over N Br Cass River?

It is owned by the County Highway Agency.