US Bridges

US-131 NB to M-6 E over Norfolk Southern RR

Fair

Kent County, Michigan · Byron Twp Sec 1 · Structure no. 000000000012911

Built
2000
25 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
5,600
2000 count
Owner
State
State Highway Agency

About this bridge

US-131 NB to M-6 E over Norfolk Southern RR is a prestressed concrete stringer/multi-beam or girder carrying US-131 NB to M-6 E over Norfolk Southern RR 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 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 5,600 vehicles a day, projected to reach 5,600 by 2015. The structure is 76 ft (23.3 m) long and 39 ft wide.

Location

Open in Google Maps
CarriesUS-131 NB to M-6 E
CrossesNorfolk Southern RR
LocationByron Twp Sec 1
RouteState Highway 6
CountyKent County
StateMichigan
Coordinates42.84807, -85.67375
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 rating75.7 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length76 ft (23.3 m)
Longest span76 ft (23.3 m)
Deck width39 ft (11.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2000)
Projected traffic5,600 by 2015
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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 US-131 NB to M-6 E over Norfolk Southern RR built?

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

What condition is US-131 NB to M-6 E over Norfolk Southern RR 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 2023.

How much traffic does US-131 NB to M-6 E over Norfolk Southern RR carry?

About 5,600 vehicles per day (2000 count).

How long is US-131 NB to M-6 E over Norfolk Southern RR?

The structure is 76 ft (23.3 m) long with a longest span of 76 ft (23.3 m) and a deck 39 ft wide.

Who owns US-131 NB to M-6 E over Norfolk Southern RR?

It is owned by the State Highway Agency.