US Bridges

Burlingame Ave over M-6

Good

Kent County, Michigan · Byron Twp Sec 2&3 · Structure no. 000000000012913

Built
2001
24 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
287 ft
2 main spans
Daily traffic
5,200
2000 count
Owner
State
State Highway Agency

About this bridge

Burlingame Ave over M-6 is a prestressed concrete stringer/multi-beam or girder carrying Burlingame Ave over M-6 in Kent County, Michigan. It was built in 2001, so it is 24 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 5,200 vehicles a day, roughly 5% of them trucks, projected to reach 6,700 by 2015. The structure is 287 ft (87.6 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBurlingame Ave
CrossesM-6
LocationByron Twp Sec 2&3
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates42.85266, -85.70331
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length287 ft (87.6 m)
Longest span147 ft (44.8 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2000)
Projected traffic6,700 by 2015
Trucks5%
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 Burlingame Ave over M-6 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Burlingame Ave 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 Burlingame Ave over M-6 carry?

About 5,200 vehicles per day (2000 count), of which roughly 5% are trucks.

How long is Burlingame Ave over M-6?

The structure is 287 ft (87.6 m) long with a longest span of 147 ft (44.8 m) and a deck 47 ft wide.

Who owns Burlingame Ave over M-6?

It is owned by the State Highway Agency.