US Bridges

Chapin Road over Big Potato Creek

Fair

Saginaw County, Michigan · 0.8 MI N of Brant Road · Structure no. 000000000009381

Built
1995
30 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
74
2013 count
Owner
County
County Highway Agency

About this bridge

Chapin Road over Big Potato Creek is a concrete culvert carrying Chapin Road over Big Potato Creek in Saginaw County, Michigan. It was built in 1995, so it is 30 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 74 vehicles a day, roughly 5% of them trucks, projected to reach 78 by 2023. The structure is 33 ft (10 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesChapin Road
CrossesBig Potato Creek
Location0.8 MI N of Brant Road
RouteCounty Highway 0
CountySaginaw County
StateMichigan
Coordinates43.27008, -84.30896
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length33 ft (10 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (2013)
Projected traffic78 by 2023
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chapin Road over Big Potato Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Chapin Road over Big Potato 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 October 2023.

How much traffic does Chapin Road over Big Potato Creek carry?

About 74 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Chapin Road over Big Potato Creek?

The structure is 33 ft (10 m) long with a longest span of 30 ft (9.1 m).

Who owns Chapin Road over Big Potato Creek?

It is owned by the County Highway Agency.