US Bridges

Riverside Park DR over Grand River Lagoon

Poor

Kent County, Michigan · Riverside Park · Structure no. 000000000013059

Built
1930
95 years old
Condition
Poor
inspected August 2024
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
200
2001 count
Owner
City
City or Municipal Highway Agency

About this bridge

Riverside Park DR over Grand River Lagoon is a concrete tee beam carrying Riverside Park DR over Grand River Lagoon in Kent County, Michigan. It was built in 1930, so it is 95 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 200 vehicles a day, projected to reach 250 by 2021. The structure is 32 ft (9.8 m) long and 28 ft wide.

CarriesRiverside Park DR
CrossesGrand River Lagoon
LocationRiverside Park
RouteCity Street 0
Coordinates43.0069, -85.67133
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.6 US tons
Inventory rating23.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2001)
Projected traffic250 by 2021
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Riverside Park DR over Grand River Lagoon built?

It was built in 1930, making it 95 years old in 2025.

What condition is Riverside Park DR over Grand River Lagoon in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Riverside Park DR over Grand River Lagoon carry?

About 200 vehicles per day (2001 count).

How long is Riverside Park DR over Grand River Lagoon?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Riverside Park DR over Grand River Lagoon?

It is owned by the City or Municipal Highway Agency.