US Bridges

Dequindre RD over Stony Creek

Poor

Macomb County, Michigan · @ 33 Mile RD · Structure no. 000000000014331

Built
1970
55 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
900
2010 count
Owner
County
County Highway Agency

About this bridge

Dequindre RD over Stony Creek is a steel culvert carrying Dequindre RD over Stony Creek in Macomb County, Michigan. It was built in 1970, so it is 55 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 900 vehicles a day, roughly 2% of them trucks, projected to reach 1,337 by 2030. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDequindre RD
CrossesStony Creek
Location@ 33 Mile RD
RouteCounty Highway 5001
CountyMacomb County
StateMichigan
Coordinates42.8154, -83.0998
Functional classRural Major Collector

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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating64.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2010)
Projected traffic1,337 by 2030
Trucks2%
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 Dequindre RD over Stony Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Dequindre RD over Stony 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 August 2024.

How much traffic does Dequindre RD over Stony Creek carry?

About 900 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is Dequindre RD over Stony Creek?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.8 m).

Who owns Dequindre RD over Stony Creek?

It is owned by the County Highway Agency.