US Bridges

Lake Shore Drive over Black River

Fair

Gogebic County, Michigan · W Shore of Sunday Lake · Structure no. 000000000003043

Built
1992
33 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
46 ft
4 main spans
Daily traffic
1,130
1991 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Shore Drive over Black River is a concrete culvert carrying Lake Shore Drive over Black River in Gogebic County, Michigan. It was built in 1992, so it is 33 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 1,130 vehicles a day, roughly 5% of them trucks, projected to reach 2,000 by 2010. The structure is 46 ft (14 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLake Shore Drive
CrossesBlack River
LocationW Shore of Sunday Lake
RouteCounty Highway 0
Coordinates46.48149, -89.95497
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length46 ft (14 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,130 (1991)
Projected traffic2,000 by 2010
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lake Shore Drive over Black River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Lake Shore Drive over Black 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 October 2023.

How much traffic does Lake Shore Drive over Black River carry?

About 1,130 vehicles per day (1991 count), of which roughly 5% are trucks.

How long is Lake Shore Drive over Black River?

The structure is 46 ft (14 m) long with a longest span of 10 ft (3 m).

Who owns Lake Shore Drive over Black River?

It is owned by the City or Municipal Highway Agency.