US Bridges

M-6 over Anderson Drain

Good

Kent County, Michigan · Gaines Twp Sec 2 · Structure no. 000000000013069

Built
2002
23 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
40,180
2007 count
Owner
State
State Highway Agency

About this bridge

M-6 over Anderson Drain is a concrete culvert carrying M-6 over Anderson Drain in Kent County, Michigan. It was built in 2002, so it is 23 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 40,180 vehicles a day, roughly 8% of them trucks, projected to reach 29,800 by 2015. The structure is 36 ft (11 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM-6
CrossesAnderson Drain
LocationGaines Twp Sec 2
RouteState Highway 6
Coordinates42.84669, -85.5684
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,180 (2007)
Projected traffic29,800 by 2015
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 M-6 over Anderson Drain built?

It was built in 2002, making it 23 years old in 2025.

What condition is M-6 over Anderson 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 March 2024.

How much traffic does M-6 over Anderson Drain carry?

About 40,180 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is M-6 over Anderson Drain?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m).

Who owns M-6 over Anderson Drain?

It is owned by the State Highway Agency.