US Bridges

Old Seney Road over Sucker River

Good

Alger County, Michigan · 2 MI S Grand Marais Field · Structure no. 000000000000069

Built
2012
13 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
30 ft
1 main span
Daily traffic
20
1995 count
Owner
County
County Highway Agency

About this bridge

Old Seney Road over Sucker River is a wood or timber stringer/multi-beam or girder carrying Old Seney Road over Sucker River in Alger County, Michigan. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 40 by 2015. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesOld Seney Road
CrossesSucker River
Location2 MI S Grand Marais Field
CountyAlger County
StateMichigan
Coordinates46.59975, -85.92759
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1995)
Projected traffic40 by 2015
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$220,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Seney Road over Sucker River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Old Seney Road over Sucker 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 September 2023.

How much traffic does Old Seney Road over Sucker River carry?

About 20 vehicles per day (1995 count).

How long is Old Seney Road over Sucker River?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns Old Seney Road over Sucker River?

It is owned by the County Highway Agency.