US Bridges

Johnson Road over Osborn Creek

Good

Oceana County, Michigan · 0.35 MI E of 148th Ave · Structure no. 000000000013668

Built
2011
14 years old
Condition
Good
inspected July 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
23 ft
1 main span
Daily traffic
200
2012 count
Owner
County
County Highway Agency

About this bridge

Johnson Road over Osborn Creek is a aluminum, wrought iron, or cast iron culvert carrying Johnson Road over Osborn Creek in Oceana County, Michigan. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 5% of them trucks, projected to reach 250 by 2022. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJohnson Road
CrossesOsborn Creek
Location0.35 MI E of 148th Ave
RouteCounty Highway 0
Coordinates43.5991, -86.1809
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span22 ft (6.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2012)
Projected traffic250 by 2022
Trucks5%
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 Johnson Road over Osborn Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Johnson Road over Osborn 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 Johnson Road over Osborn Creek carry?

About 200 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Johnson Road over Osborn Creek?

The structure is 23 ft (6.9 m) long with a longest span of 22 ft (6.8 m).

Who owns Johnson Road over Osborn Creek?

It is owned by the County Highway Agency.