US Bridges

Waterworks Drive over Unnamed Canal

Fair

St. Clair County, Michigan · Sec. 22 Ira Twp. · Structure no. 000000000010189

Built
1977
48 years old
Condition
Fair
inspected March 2024
Type
Slab
Wood or Timber
Length
34 ft
1 main span
Daily traffic
126
1994 count
Owner
County
County Highway Agency

About this bridge

Waterworks Drive over Unnamed Canal is a wood or timber slab carrying Waterworks Drive over Unnamed Canal in St. Clair County, Michigan. It was built in 1977, so it is 48 years old, younger 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 6 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 126 vehicles a day, roughly 3% of them trucks, projected to reach 205 by 2014. The structure is 34 ft (10.3 m) long and 22 ft wide. If it were closed, the detour would be 124.9 mi (201 km).

Location

Open in Google Maps
CarriesWaterworks Drive
CrossesUnnamed Canal
LocationSec. 22 Ira Twp.
RouteCounty Highway 0
CountySt. Clair County
StateMichigan
Coordinates42.67772, -82.65803
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating55.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.3 m)
Longest span32 ft (9.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (1994)
Projected traffic205 by 2014
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.9 mi (201 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 Waterworks Drive over Unnamed Canal built?

It was built in 1977, making it 48 years old in 2025.

What condition is Waterworks Drive over Unnamed Canal 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 March 2024.

How much traffic does Waterworks Drive over Unnamed Canal carry?

About 126 vehicles per day (1994 count), of which roughly 3% are trucks.

How long is Waterworks Drive over Unnamed Canal?

The structure is 34 ft (10.3 m) long with a longest span of 32 ft (9.7 m) and a deck 22 ft wide.

Who owns Waterworks Drive over Unnamed Canal?

It is owned by the County Highway Agency.