US Bridges

Main St. over Deer Creek

Poor

Ottawa County, Michigan · Coopersville · Structure no. 000000000008938

Built
1920
105 years old, rebuilt 1989
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
2 main spans
Daily traffic
1,528
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main St. over Deer Creek is a steel stringer/multi-beam or girder carrying Main St. over Deer Creek in Ottawa County, Michigan. It was built in 1920 and reconstructed in 1989, so it is 105 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 1,528 vehicles a day, roughly 7% of them trucks, projected to reach 1,865 by 2042. The structure is 61 ft (18.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMain St.
CrossesDeer Creek
LocationCoopersville
RouteCity Street 0
Coordinates43.06302, -85.92902
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span28 ft (8.5 m)
Deck width37 ft (11.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,528 (2022)
Projected traffic1,865 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 Main St. over Deer Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1989.

What condition is Main St. over Deer Creek 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 Main St. over Deer Creek carry?

About 1,528 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Main St. over Deer Creek?

The structure is 61 ft (18.6 m) long with a longest span of 28 ft (8.5 m) and a deck 37 ft wide.

Who owns Main St. over Deer Creek?

It is owned by the City or Municipal Highway Agency.