US Bridges

County Line Road over Sucker River

Fair

Alger County, Michigan · 6.0 MI E of Grand Marais · Structure no. 000000000000063

Built
1935
90 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
200
1997 count
Owner
County
County Highway Agency

About this bridge

County Line Road over Sucker River is a concrete culvert carrying County Line Road over Sucker River in Alger County, Michigan. It was built in 1935, so it is 90 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 400 by 2015. The structure is 26 ft (7.9 m) long.

Location

Open in Google Maps
CarriesCounty Line Road
CrossesSucker River
Location6.0 MI E of Grand Marais
RouteCounty Highway 0
CountyAlger County
StateMichigan
Coordinates46.66239, -85.86942
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 rating53.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1997)
Projected traffic400 by 2015
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 County Line Road over Sucker River built?

It was built in 1935, making it 90 years old in 2025.

What condition is County Line Road over Sucker 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 September 2023.

How much traffic does County Line Road over Sucker River carry?

About 200 vehicles per day (1997 count), of which roughly 5% are trucks.

How long is County Line Road over Sucker River?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m).

Who owns County Line Road over Sucker River?

It is owned by the County Highway Agency.