US Bridges

Colby Road over Fish Creek

Fair

Montcalm County, Michigan · Evergreen Twp Sec 11-14 · Structure no. 000000000013619

Built
1980
45 years old
Condition
Fair
inspected May 2023
Type
Culvert
Wood or Timber
Length
23 ft
3 main spans
Daily traffic
164
2009 count
Owner
County
County Highway Agency

About this bridge

Colby Road over Fish Creek is a wood or timber culvert carrying Colby Road over Fish Creek in Montcalm County, Michigan. It was built in 1980, so it is 45 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 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 164 vehicles a day, roughly 3% of them trucks, projected to reach 200 by 2029. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesColby Road
CrossesFish Creek
LocationEvergreen Twp Sec 11-14
RouteCounty Highway 0
Coordinates43.26431, -84.98125
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length23 ft (7 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 traffic164 (2009)
Projected traffic200 by 2029
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Colby Road over Fish Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Colby Road over Fish 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 May 2023.

How much traffic does Colby Road over Fish Creek carry?

About 164 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Colby Road over Fish Creek?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.3 m).

Who owns Colby Road over Fish Creek?

It is owned by the County Highway Agency.