US Bridges

Old Channel Trail over Sadony Bayou

Fair

Muskegon County, Michigan · 5.5 MI W of US-31 Br · Structure no. 000000000007654

Built
2001
24 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
90 ft
3 main spans
Daily traffic
316
2002 count
Owner
County
County Highway Agency

About this bridge

Old Channel Trail over Sadony Bayou is a wood or timber slab carrying Old Channel Trail over Sadony Bayou in Muskegon County, Michigan. It was built in 2001, so it is 24 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 316 vehicles a day, roughly 7% of them trucks, projected to reach 470 by 2022. The structure is 90 ft (27.4 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesOld Channel Trail
CrossesSadony Bayou
Location5.5 MI W of US-31 Br
RouteCounty Highway 0
CountyMuskegon County
StateMichigan
Coordinates43.38475, -86.42645
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.7 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20 + Mod
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic316 (2002)
Projected traffic470 by 2022
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Old Channel Trail over Sadony Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Old Channel Trail over Sadony Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Old Channel Trail over Sadony Bayou carry?

About 316 vehicles per day (2002 count), of which roughly 7% are trucks.

How long is Old Channel Trail over Sadony Bayou?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns Old Channel Trail over Sadony Bayou?

It is owned by the County Highway Agency.