US Bridges

Woodland Road over Au Train River

PoorClosed to traffic

Alger County, Michigan · 0.75 MI E of Au Train · Structure no. 000000000000068

Built
1910
115 years old
Condition
Poor
inspected September 2023
Type
Girder and Floorbeam System
Steel
Length
90 ft
1 main span
Daily traffic
—
1995 count
Owner
County
County Highway Agency

About this bridge

Woodland Road over Au Train River is a steel girder and floorbeam system carrying Woodland Road over Au Train River in Alger County, Michigan. It was built in 1910, so it is 115 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

No traffic count is recorded. The structure is 90 ft (27.4 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesWoodland Road
CrossesAu Train River
Location0.75 MI E of Au Train
CountyAlger County
StateMichigan
Coordinates46.43311, -86.82429
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck0 FailedOut of service and beyond corrective action.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span61 ft (18.6 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic200 by 2015
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$335,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Woodland Road over Au Train River built?

It was built in 1910, making it 115 years old in 2025.

What condition is Woodland Road over Au Train River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Woodland Road over Au Train River carry?

No traffic count is recorded for this structure.

How long is Woodland Road over Au Train River?

The structure is 90 ft (27.4 m) long with a longest span of 61 ft (18.6 m) and a deck 18 ft wide.

Who owns Woodland Road over Au Train River?

It is owned by the County Highway Agency.