US Bridges

Lilley Road over Tonquish Creek

Poor

Wayne County, Michigan · Canton N/Warren · Structure no. 000000000012127

Built
1946
79 years old
Condition
Poor
inspected May 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
18,579
1996 count
Owner
County
County Highway Agency

About this bridge

Lilley Road over Tonquish Creek is a concrete slab carrying Lilley Road over Tonquish Creek in Wayne County, Michigan. It was built in 1946, so it is 79 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 3 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.

It carries about 18,579 vehicles a day, roughly 2% of them trucks, projected to reach 17,790 by 2015. The structure is 26 ft (7.9 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLilley Road
CrossesTonquish Creek
LocationCanton N/Warren
RouteCounty Highway 2057
CountyWayne County
StateMichigan
Coordinates42.34211, -83.45961
Functional classUrban Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,579 (1996)
Projected traffic17,790 by 2015
Trucks2%
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

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 Lilley Road over Tonquish Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is Lilley Road over Tonquish Creek 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 May 2024.

How much traffic does Lilley Road over Tonquish Creek carry?

About 18,579 vehicles per day (1996 count), of which roughly 2% are trucks.

How long is Lilley Road over Tonquish Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 46 ft wide.

Who owns Lilley Road over Tonquish Creek?

It is owned by the County Highway Agency.