US Bridges

Peacock Road over Vermilion Creek

Poor

Clinton County, Michigan · 0.5 MI N of Herbison RD · Structure no. 000000000001944

Built
1928
97 years old, rebuilt 1995
Condition
Poor
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
152
2011 count
Owner
County
County Highway Agency

About this bridge

Peacock Road over Vermilion Creek is a prestressed concrete box beam or girders - multiple carrying Peacock Road over Vermilion Creek in Clinton County, Michigan. It was built in 1928 and reconstructed in 1995, so it is 97 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 152 vehicles a day, projected to reach 275 by 2031. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesPeacock Road
CrossesVermilion Creek
Location0.5 MI N of Herbison RD
RouteCounty Highway 0
CountyClinton County
StateMichigan
Coordinates42.83451, -84.36922
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckWood or timber
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152 (2011)
Projected traffic275 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$165,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Peacock Road over Vermilion Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1995.

What condition is Peacock Road over Vermilion Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Peacock Road over Vermilion Creek carry?

About 152 vehicles per day (2011 count).

How long is Peacock Road over Vermilion Creek?

The structure is 27 ft (8.2 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns Peacock Road over Vermilion Creek?

It is owned by the County Highway Agency.