US Bridges

144th Ave over S Br Macatawa River

Poor

Allegan County, Michigan · Approx 1/8MI W of 50th ST · Structure no. 000000000000241

Built
1984
41 years old
Condition
Poor
inspected May 2024
Type
Culvert
Steel
Length
36 ft
2 main spans
Daily traffic
147
2002 count
Owner
County
County Highway Agency

About this bridge

144th Ave over S Br Macatawa River is a steel culvert carrying 144th Ave over S Br Macatawa River in Allegan County, Michigan. It was built in 1984, so it is 41 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 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 147 vehicles a day, roughly 7% of them trucks, projected to reach 294 by 2022. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries144th Ave
CrossesS Br Macatawa River
LocationApprox 1/8MI W of 50th ST
RouteCounty Highway 0
CountyAllegan County
StateMichigan
Coordinates42.74017, -86.03969
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.9 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length36 ft (11.1 m)
Longest span16 ft (5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147 (2002)
Projected traffic294 by 2022
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 144th Ave over S Br Macatawa River built?

It was built in 1984, making it 41 years old in 2025.

What condition is 144th Ave over S Br Macatawa River 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 144th Ave over S Br Macatawa River carry?

About 147 vehicles per day (2002 count), of which roughly 7% are trucks.

How long is 144th Ave over S Br Macatawa River?

The structure is 36 ft (11.1 m) long with a longest span of 16 ft (5 m).

Who owns 144th Ave over S Br Macatawa River?

It is owned by the County Highway Agency.