US Bridges

Hinman Road over Stony Creek

Fair

Clinton County, Michigan · 0.1 MI N of Dexter Trail · Structure no. 000000000001967

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
2 main spans
Daily traffic
153
2011 count
Owner
County
County Highway Agency

About this bridge

Hinman Road over Stony Creek is a prestressed concrete stringer/multi-beam or girder carrying Hinman Road over Stony Creek in Clinton County, Michigan. It was built in 1983, so it is 42 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 153 vehicles a day, projected to reach 276 by 2031. The structure is 130 ft (39.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHinman Road
CrossesStony Creek
Location0.1 MI N of Dexter Trail
RouteCounty Highway 0
CountyClinton County
StateMichigan
Coordinates42.97026, -84.77924
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.
Superstructure8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.8 US tons
Inventory rating43.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span65 ft (19.8 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153 (2011)
Projected traffic276 by 2031
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 Hinman Road over Stony Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Hinman 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 Hinman Road over Stony Creek carry?

About 153 vehicles per day (2011 count).

How long is Hinman Road over Stony Creek?

The structure is 130 ft (39.6 m) long with a longest span of 65 ft (19.8 m) and a deck 33 ft wide.

Who owns Hinman Road over Stony Creek?

It is owned by the County Highway Agency.