US Bridges

148th Ave over Cobmoosa Creek

Good

Oceana County, Michigan · 1.5 MI N of Johnson RD · Structure no. 000000000013758

Built
2013
12 years old
Condition
Good
inspected July 2024
Type
Slab
Wood or Timber
Length
22 ft
1 main span
Daily traffic
415
2012 count
Owner
County
County Highway Agency

About this bridge

148th Ave over Cobmoosa Creek is a wood or timber slab carrying 148th Ave over Cobmoosa Creek in Oceana County, Michigan. It was built in 2013, so it is 12 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 415 vehicles a day, roughly 10% of them trucks, projected to reach 616 by 2032. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries148th Ave
CrossesCobmoosa Creek
Location1.5 MI N of Johnson RD
RouteCounty Highway 0
Coordinates43.62014, -86.18911
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating53.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic415 (2012)
Projected traffic616 by 2032
Trucks10%
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 148th Ave over Cobmoosa Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is 148th Ave over Cobmoosa Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does 148th Ave over Cobmoosa Creek carry?

About 415 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is 148th Ave over Cobmoosa Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns 148th Ave over Cobmoosa Creek?

It is owned by the County Highway Agency.