US Bridges

Byron Center Ave over M-6 Ramps E & G

Fair

Kent County, Michigan · Byron Twp Sec 3 - 4 · Structure no. 000000000013045

Built
2002
23 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
271 ft
2 main spans
Daily traffic
15,000
2000 count
Owner
State
State Highway Agency

About this bridge

Byron Center Ave over M-6 Ramps E & G is a prestressed concrete stringer/multi-beam or girder carrying Byron Center Ave over M-6 Ramps E & G 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 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 15,000 vehicles a day, roughly 7% of them trucks, projected to reach 16,700 by 2015. The structure is 271 ft (82.5 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesByron Center Ave
CrossesM-6 Ramps E & G
LocationByron Twp Sec 3 - 4
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates42.85273, -85.72297
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length271 ft (82.5 m)
Longest span133 ft (40.5 m)
Deck width94 ft (28.6 m)
Roadway width91 ft (27.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2000)
Projected traffic16,700 by 2015
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Byron Center Ave over M-6 Ramps E & G built?

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

What condition is Byron Center Ave over M-6 Ramps E & G 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 September 2024.

How much traffic does Byron Center Ave over M-6 Ramps E & G carry?

About 15,000 vehicles per day (2000 count), of which roughly 7% are trucks.

How long is Byron Center Ave over M-6 Ramps E & G?

The structure is 271 ft (82.5 m) long with a longest span of 133 ft (40.5 m) and a deck 94 ft wide.

Who owns Byron Center Ave over M-6 Ramps E & G?

It is owned by the State Highway Agency.