US Bridges

Partridge Avenue over W Br Clam River

Poor

Clare County, Michigan · Winterfield Twp Sec 20 · Structure no. 000000000001779

Built
1974
51 years old
Condition
Poor
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
290
2006 count
Owner
County
County Highway Agency

About this bridge

Partridge Avenue over W Br Clam River is a prestressed concrete tee beam carrying Partridge Avenue over W Br Clam River in Clare County, Michigan. It was built in 1974, so it is 51 years old, older 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 290 vehicles a day, projected to reach 520 by 2026. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPartridge Avenue
CrossesW Br Clam River
LocationWinterfield Twp Sec 20
RouteCounty Highway 0
Coordinates44.11623, -85.0581
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.7 US tons
Inventory rating34.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span49 ft (14.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2006)
Projected traffic520 by 2026
Trucks0%
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 Partridge Avenue over W Br Clam River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Partridge Avenue over W Br Clam River 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 Partridge Avenue over W Br Clam River carry?

About 290 vehicles per day (2006 count).

How long is Partridge Avenue over W Br Clam River?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.

Who owns Partridge Avenue over W Br Clam River?

It is owned by the County Highway Agency.