US Bridges

16th Street over Miller Creek

PoorPosted for load

Allegan County, Michigan · Approx 0 20 MI S of 128th · Structure no. 000000000000204

Built
1978
47 years old
Condition
Poor
inspected February 2025
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
178
2003 count
Owner
County
County Highway Agency

About this bridge

16th Street over Miller Creek is a steel culvert carrying 16th Street over Miller Creek in Allegan County, Michigan. It was built in 1978, so it is 47 years old, younger 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 2 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. Its operating status is: posted for load restriction.

It carries about 178 vehicles a day, roughly 7% of them trucks, projected to reach 356 by 2023. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries16th Street
CrossesMiller Creek
LocationApprox 0 20 MI S of 128th
RouteCounty Highway 0
Coordinates42.61726, -85.70221
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionFebruary 2025
Inspection intervalevery 3 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.5 US tons
Inventory rating6.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length28 ft (8.4 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic178 (2003)
Projected traffic356 by 2023
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Miller Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is 16th Street over Miller 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 February 2025.

How much traffic does 16th Street over Miller Creek carry?

About 178 vehicles per day (2003 count), of which roughly 7% are trucks.

How long is 16th Street over Miller Creek?

The structure is 28 ft (8.4 m) long with a longest span of 11 ft (3.5 m).

Who owns 16th Street over Miller Creek?

It is owned by the County Highway Agency.