US Bridges

32nd ST over M-37

Poor

Kent County, Michigan · 0.6 MI S of M-11 · Structure no. 000000000004846

Built
1948
77 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
172 ft
3 main spans
Daily traffic
9,500
1996 count
Owner
State
State Highway Agency

About this bridge

32nd ST over M-37 is a steel stringer/multi-beam or girder carrying 32nd ST over M-37 in Kent County, Michigan. It was built in 1948, so it is 77 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 4 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 9,500 vehicles a day, roughly 2% of them trucks, projected to reach 12,100 by 2020. The structure is 172 ft (52.4 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries32nd ST
CrossesM-37
Location0.6 MI S of M-11
RouteCity Street 2001
CountyKent County
StateMichigan
Coordinates42.90524, -85.58198
Functional classUrban Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length172 ft (52.4 m)
Longest span57 ft (17.3 m)
Deck width37 ft (11.2 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (1996)
Projected traffic12,100 by 2020
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$130,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was 32nd ST over M-37 built?

It was built in 1948, making it 77 years old in 2025.

What condition is 32nd ST over M-37 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 April 2024.

How much traffic does 32nd ST over M-37 carry?

About 9,500 vehicles per day (1996 count), of which roughly 2% are trucks.

How long is 32nd ST over M-37?

The structure is 172 ft (52.4 m) long with a longest span of 57 ft (17.3 m) and a deck 37 ft wide.

Who owns 32nd ST over M-37?

It is owned by the State Highway Agency.