US Bridges

Forest Hill Road over Stony Creek

Fair

Clinton County, Michigan · 0.2 MI N of Taft RD · Structure no. 000000000001950

Built
1986
39 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
80
1979 count
Owner
County
County Highway Agency

About this bridge

Forest Hill Road over Stony Creek is a prestressed concrete box beam or girders - multiple carrying Forest Hill Road over Stony Creek in Clinton County, Michigan. It was built in 1986, so it is 39 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 6 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 80 vehicles a day, projected to reach 150 by 2009. The structure is 66 ft (20.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesForest Hill Road
CrossesStony Creek
Location0.2 MI N of Taft RD
RouteCounty Highway 0
CountyClinton County
StateMichigan
Coordinates42.96155, -84.68055
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span66 ft (20.1 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (1979)
Projected traffic150 by 2009
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Forest Hill Road over Stony Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Forest Hill Road over Stony 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 Forest Hill Road over Stony Creek carry?

About 80 vehicles per day (1979 count).

How long is Forest Hill Road over Stony Creek?

The structure is 66 ft (20.1 m) long with a longest span of 66 ft (20.1 m) and a deck 31 ft wide.

Who owns Forest Hill Road over Stony Creek?

It is owned by the County Highway Agency.