US Bridges

Rattle Run Road over Sheldon Drain

Fair

St. Clair County, Michigan · Sec. 20 St. Clair Twp. · Structure no. 000000000010050

Built
1988
37 years old
Condition
Fair
inspected December 2023
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
1,888
2001 count
Owner
County
County Highway Agency

About this bridge

Rattle Run Road over Sheldon Drain is a steel culvert carrying Rattle Run Road over Sheldon Drain in St. Clair County, Michigan. It was built in 1988, so it is 37 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 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 1,888 vehicles a day, roughly 5% of them trucks, projected to reach 3,400 by 2021. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRattle Run Road
CrossesSheldon Drain
LocationSec. 20 St. Clair Twp.
RouteCounty Highway 7748
CountySt. Clair County
StateMichigan
Coordinates42.85719, -82.58515
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,888 (2001)
Projected traffic3,400 by 2021
Trucks5%
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 Rattle Run Road over Sheldon Drain built?

It was built in 1988, making it 37 years old in 2025.

What condition is Rattle Run Road over Sheldon Drain 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 December 2023.

How much traffic does Rattle Run Road over Sheldon Drain carry?

About 1,888 vehicles per day (2001 count), of which roughly 5% are trucks.

How long is Rattle Run Road over Sheldon Drain?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Rattle Run Road over Sheldon Drain?

It is owned by the County Highway Agency.