US Bridges

Indian Trail over Polly Ann Trail

Good

Oakland County, Michigan · In Subdivision Sec 3 · Structure no. 000000000013596

Built
1999
26 years old
Condition
Good
inspected July 2024
Type
Slab
Wood or Timber
Length
28 ft
1 main span
Daily traffic
500
2010 count
Owner
County
County Highway Agency

About this bridge

Indian Trail over Polly Ann Trail is a wood or timber slab carrying Indian Trail over Polly Ann Trail in Oakland County, Michigan. It was built in 1999, so it is 26 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 500 vehicles a day, projected to reach 545 by 2030. The structure is 28 ft (8.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIndian Trail
CrossesPolly Ann Trail
LocationIn Subdivision Sec 3
RouteCounty Highway 0
Coordinates42.79528, -83.28139
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.9 US tons
Inventory rating67.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span26 ft (8 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2010)
Projected traffic545 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Indian Trail over Polly Ann Trail built?

It was built in 1999, making it 26 years old in 2025.

What condition is Indian Trail over Polly Ann Trail 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 July 2024.

How much traffic does Indian Trail over Polly Ann Trail carry?

About 500 vehicles per day (2010 count).

How long is Indian Trail over Polly Ann Trail?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (8 m) and a deck 27 ft wide.

Who owns Indian Trail over Polly Ann Trail?

It is owned by the County Highway Agency.