US Bridges

147th Ave over N Br Macatawa River

Poor

Allegan County, Michigan · Fillmore Twp Sec 3 · Structure no. 000000000000244

Built
1990
35 years old
Condition
Poor
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
896
2013 count
Owner
County
County Highway Agency

About this bridge

147th Ave over N Br Macatawa River is a prestressed concrete box beam or girders - multiple carrying 147th Ave over N Br Macatawa River in Allegan County, Michigan. It was built in 1990, so it is 35 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 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 896 vehicles a day, roughly 7% of them trucks, projected to reach 1,330 by 2033. The structure is 40 ft (12.2 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries147th Ave
CrossesN Br Macatawa River
LocationFillmore Twp Sec 3
RouteCounty Highway 0
Coordinates42.76203, -86.06172
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic896 (2013)
Projected traffic1,330 by 2033
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 147th Ave over N Br Macatawa River built?

It was built in 1990, making it 35 years old in 2025.

What condition is 147th Ave over N 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 2023.

How much traffic does 147th Ave over N Br Macatawa River carry?

About 896 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is 147th Ave over N Br Macatawa River?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns 147th Ave over N Br Macatawa River?

It is owned by the County Highway Agency.