US Bridges

Garbow RD over Duncan Creek

Fair

Barry County, Michigan · 0.36 MI E of Cherry Valle · Structure no. 000000000014666

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
116
2023 count
Owner
County
County Highway Agency

About this bridge

Garbow RD over Duncan Creek is a steel culvert carrying Garbow RD over Duncan Creek in Barry County, Michigan. It was built in 1970, so it is 55 years old, older 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 5 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 116 vehicles a day, roughly 1% of them trucks, projected to reach 133 by 2043. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGarbow RD
CrossesDuncan Creek
Location0.36 MI E of Cherry Valle
RouteCounty Highway 0
CountyBarry County
StateMichigan
Coordinates42.73992, -85.49892
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating93.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span8 ft (2.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2023)
Projected traffic133 by 2043
Trucks1%
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 Garbow RD over Duncan Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Garbow RD over Duncan Creek 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 August 2023.

How much traffic does Garbow RD over Duncan Creek carry?

About 116 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Garbow RD over Duncan Creek?

The structure is 27 ft (8.1 m) long with a longest span of 8 ft (2.3 m).

Who owns Garbow RD over Duncan Creek?

It is owned by the County Highway Agency.