US Bridges

16th Street over Pierce Drain

Poor

Allegan County, Michigan · Approx 1/2MI N of 128th a · Structure no. 000000000000260

Built
1974
51 years old
Condition
Poor
inspected May 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
270
2002 count
Owner
County
County Highway Agency

About this bridge

16th Street over Pierce Drain is a steel culvert carrying 16th Street over Pierce Drain in Allegan County, Michigan. It was built in 1974, so it is 51 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 270 vehicles a day, roughly 7% of them trucks, projected to reach 540 by 2022. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries16th Street
CrossesPierce Drain
LocationApprox 1/2MI N of 128th a
RouteCounty Highway 0
Coordinates42.62369, -85.70219
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.8 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2002)
Projected traffic540 by 2022
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 16th Street over Pierce Drain built?

It was built in 1974, making it 51 years old in 2025.

What condition is 16th Street over Pierce 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 May 2024.

How much traffic does 16th Street over Pierce Drain carry?

About 270 vehicles per day (2002 count), of which roughly 7% are trucks.

How long is 16th Street over Pierce Drain?

The structure is 22 ft (6.8 m) long with a longest span of 9 ft (2.8 m).

Who owns 16th Street over Pierce Drain?

It is owned by the County Highway Agency.