US Bridges

Lakeshore Drive over Carrigan Drain

Good

St. Clair County, Michigan · Sec 15 Ft Gratiot Twp · Structure no. 000000000010112

Built
2012
13 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
4,800
2012 count
Owner
County
County Highway Agency

About this bridge

Lakeshore Drive over Carrigan Drain is a concrete culvert carrying Lakeshore Drive over Carrigan Drain in St. Clair 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 4,800 vehicles a day, roughly 8% of them trucks, projected to reach 7,100 by 2032. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLakeshore Drive
CrossesCarrigan Drain
LocationSec 15 Ft Gratiot Twp
RouteCounty Highway 2012
Coordinates43.04153, -82.44656
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating67.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length26 ft (8 m)
Longest span25 ft (7.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2012)
Projected traffic7,100 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Lakeshore Drive over Carrigan Drain built?

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

What condition is Lakeshore Drive over Carrigan Drain 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 December 2024.

How much traffic does Lakeshore Drive over Carrigan Drain carry?

About 4,800 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is Lakeshore Drive over Carrigan Drain?

The structure is 26 ft (8 m) long with a longest span of 25 ft (7.5 m).

Who owns Lakeshore Drive over Carrigan Drain?

It is owned by the County Highway Agency.