US Bridges

Patterson Avenue over M-6

Good

Kent County, Michigan · Gaines Twp Sec 1 · Structure no. 000000000012930

Built
2000
25 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
373 ft
2 main spans
Daily traffic
6,600
2000 count
Owner
State
State Highway Agency

About this bridge

Patterson Avenue over M-6 is a steel continuous stringer/multi-beam or girder carrying Patterson Avenue over M-6 in Kent County, Michigan. It was built in 2000, so it is 25 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 6,600 vehicles a day, roughly 3% of them trucks, projected to reach 6,600 by 2020. The structure is 373 ft (113.6 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPatterson Avenue
CrossesM-6
LocationGaines Twp Sec 1
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates42.84941, -85.54577
Functional classUrban Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length373 ft (113.6 m)
Longest span186 ft (56.8 m)
Deck width51 ft (15.5 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2000)
Projected traffic6,600 by 2020
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Patterson Avenue over M-6 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Patterson Avenue over M-6 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 May 2023.

How much traffic does Patterson Avenue over M-6 carry?

About 6,600 vehicles per day (2000 count), of which roughly 3% are trucks.

How long is Patterson Avenue over M-6?

The structure is 373 ft (113.6 m) long with a longest span of 186 ft (56.8 m) and a deck 51 ft wide.

Who owns Patterson Avenue over M-6?

It is owned by the State Highway Agency.