US Bridges

Adams Street over Kampen-Struk Drain

Poor

Ottawa County, Michigan · 0.26 MI E of 40th Ave · Structure no. 000000000008809

Built
1957
68 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
3,480
2022 count
Owner
County
County Highway Agency

About this bridge

Adams Street over Kampen-Struk Drain is a prestressed concrete box beam or girders - multiple carrying Adams Street over Kampen-Struk Drain in Ottawa County, Michigan. It was built in 1957, so it is 68 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 3,480 vehicles a day, roughly 5% of them trucks, projected to reach 6,280 by 2042. The structure is 36 ft (10.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAdams Street
CrossesKampen-Struk Drain
Location0.26 MI E of 40th Ave
RouteCounty Highway 7004
Coordinates42.78212, -85.87627
Functional classRural Major 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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length36 ft (10.9 m)
Longest span34 ft (10.3 m)
Deck width33 ft (10.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,480 (2022)
Projected traffic6,280 by 2042
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Adams Street over Kampen-Struk Drain built?

It was built in 1957, making it 68 years old in 2025.

What condition is Adams Street over Kampen-Struk Drain 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 October 2024.

How much traffic does Adams Street over Kampen-Struk Drain carry?

About 3,480 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Adams Street over Kampen-Struk Drain?

The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.3 m) and a deck 33 ft wide.

Who owns Adams Street over Kampen-Struk Drain?

It is owned by the County Highway Agency.