US Bridges

Lake Street over Clam River

Good

Wexford County, Michigan · In Cadillac · Structure no. 000000000012593

Built
2000
25 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
4,700
2004 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Street over Clam River is a prestressed concrete box beam or girders - multiple carrying Lake Street over Clam River in Wexford County, Michigan. It was built in 2000, so it is 25 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,700 vehicles a day, roughly 10% of them trucks, projected to reach 8,500 by 2024. The structure is 26 ft (8 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLake Street
CrossesClam River
LocationIn Cadillac
RouteCity Street 2031
Coordinates44.25575, -85.40672
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (8 m)
Longest span26 ft (8 m)
Deck width50 ft (15.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2004)
Projected traffic8,500 by 2024
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$172,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Street over Clam River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Lake Street over Clam River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Lake Street over Clam River carry?

About 4,700 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is Lake Street over Clam River?

The structure is 26 ft (8 m) long with a longest span of 26 ft (8 m) and a deck 50 ft wide.

Who owns Lake Street over Clam River?

It is owned by the City or Municipal Highway Agency.