US Bridges

Chadwick Road over Vermilion Creek

Fair

Clinton County, Michigan · 0.8 MI E of Hollister RD · Structure no. 000000000002015

Built
1924
101 years old, rebuilt 1984
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
75
2011 count
Owner
County
County Highway Agency

About this bridge

Chadwick Road over Vermilion Creek is a prestressed concrete box beam or girders - multiple carrying Chadwick Road over Vermilion Creek in Clinton County, Michigan. It was built in 1924 and reconstructed in 1984, so it is 101 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 75 vehicles a day, projected to reach 135 by 2031. The structure is 32 ft (9.7 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesChadwick Road
CrossesVermilion Creek
Location0.8 MI E of Hollister RD
RouteCounty Highway 0
CountyClinton County
StateMichigan
Coordinates42.87148, -84.3681
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40.7 US tons
Inventory rating31.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2011)
Projected traffic135 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Chadwick Road over Vermilion Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1984.

What condition is Chadwick Road over Vermilion 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 Chadwick Road over Vermilion Creek carry?

About 75 vehicles per day (2011 count).

How long is Chadwick Road over Vermilion Creek?

The structure is 32 ft (9.7 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns Chadwick Road over Vermilion Creek?

It is owned by the County Highway Agency.