US Bridges

Ledgewood over Lake Sherwood

Fair

Oakland County, Michigan · Bet Ledge and Pikewood · Structure no. 000000000008197

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
1,000
1986 count
Owner
County
County Highway Agency

About this bridge

Ledgewood over Lake Sherwood is a prestressed concrete box beam or girders - multiple carrying Ledgewood over Lake Sherwood in Oakland County, Michigan. It was built in 1966, so it is 59 years old, older 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 1,000 vehicles a day, projected to reach 1,500 by 2010. The structure is 62 ft (19 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLedgewood
CrossesLake Sherwood
LocationBet Ledge and Pikewood
RouteCounty Highway 0
Coordinates42.59393, -83.53905
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length62 ft (19 m)
Longest span58 ft (17.6 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1986)
Projected traffic1,500 by 2010
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Ledgewood over Lake Sherwood built?

It was built in 1966, making it 59 years old in 2025.

What condition is Ledgewood over Lake Sherwood 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 Ledgewood over Lake Sherwood carry?

About 1,000 vehicles per day (1986 count).

How long is Ledgewood over Lake Sherwood?

The structure is 62 ft (19 m) long with a longest span of 58 ft (17.6 m) and a deck 36 ft wide.

Who owns Ledgewood over Lake Sherwood?

It is owned by the County Highway Agency.