US Bridges

Lakeshore Drive over M Bayou Hamlin Lake

Fair

Mason County, Michigan · 5 MI N of Ludington · Structure no. 000000000006675

Built
1970
55 years old, rebuilt 2024
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
3,000
1997 count
Owner
County
County Highway Agency

About this bridge

Lakeshore Drive over M Bayou Hamlin Lake is a steel stringer/multi-beam or girder carrying Lakeshore Drive over M Bayou Hamlin Lake in Mason County, Michigan. It was built in 1970 and reconstructed in 2024, so it is 55 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 3,000 vehicles a day, roughly 10% of them trucks, projected to reach 3,500 by 2017. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLakeshore Drive
CrossesM Bayou Hamlin Lake
Location5 MI N of Ludington
RouteCounty Highway 0
CountyMason County
StateMichigan
Coordinates44.02822, -86.45645
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating67.1 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (1997)
Projected traffic3,500 by 2017
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Lakeshore Drive over M Bayou Hamlin Lake built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2024.

What condition is Lakeshore Drive over M Bayou Hamlin Lake 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 November 2024.

How much traffic does Lakeshore Drive over M Bayou Hamlin Lake carry?

About 3,000 vehicles per day (1997 count), of which roughly 10% are trucks.

How long is Lakeshore Drive over M Bayou Hamlin Lake?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 32 ft wide.

Who owns Lakeshore Drive over M Bayou Hamlin Lake?

It is owned by the County Highway Agency.