US Bridges

US-131 NB over Conrail&plaster CR (abn)

Fair

Kent County, Michigan · In Grand Rapids · Structure no. 000000000004946

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
748 ft
12 main spans
Daily traffic
57,991
2022 count
Owner
State
State Highway Agency

About this bridge

US-131 NB over Conrail&plaster CR (abn) is a steel stringer/multi-beam or girder carrying US-131 NB over Conrail&plaster CR (abn) in Kent County, Michigan. It was built in 1958, so it is 67 years old, older 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 5 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 57,991 vehicles a day, roughly 7% of them trucks. The structure is 748 ft (228 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS-131 NB
CrossesConrail&plaster CR (abn)
LocationIn Grand Rapids
RouteU.S. Route 131
CountyKent County
StateMichigan
Coordinates42.9249, -85.68203
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 11 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length748 ft (228 m)
Longest span72 ft (21.9 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,991 (2022)
Projected traffic—
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-131 NB over Conrail&plaster CR (abn) built?

It was built in 1958, making it 67 years old in 2025.

What condition is US-131 NB over Conrail&plaster CR (abn) 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 June 2024.

How much traffic does US-131 NB over Conrail&plaster CR (abn) carry?

About 57,991 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US-131 NB over Conrail&plaster CR (abn)?

The structure is 748 ft (228 m) long with a longest span of 72 ft (21.9 m) and a deck 46 ft wide.

Who owns US-131 NB over Conrail&plaster CR (abn)?

It is owned by the State Highway Agency.