US Bridges

ST Charles Road over Shad Creek Drain

Good

Gratiot County, Michigan · Sec 29-32 Lafayette Twp · Structure no. 000000000003208

Built
1980
45 years old
Condition
Good
inspected July 2024
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
164
2004 count
Owner
County
County Highway Agency

About this bridge

ST Charles Road over Shad Creek Drain is a steel culvert carrying ST Charles Road over Shad Creek Drain in Gratiot County, Michigan. It was built in 1980, so it is 45 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 164 vehicles a day, roughly 7% of them trucks, projected to reach 199 by 2024. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST Charles Road
CrossesShad Creek Drain
LocationSec 29-32 Lafayette Twp
RouteCounty Highway 0
Coordinates43.30641, -84.46129
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2004)
Projected traffic199 by 2024
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 ST Charles Road over Shad Creek Drain built?

It was built in 1980, making it 45 years old in 2025.

What condition is ST Charles Road over Shad Creek Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does ST Charles Road over Shad Creek Drain carry?

About 164 vehicles per day (2004 count), of which roughly 7% are trucks.

How long is ST Charles Road over Shad Creek Drain?

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

Who owns ST Charles Road over Shad Creek Drain?

It is owned by the County Highway Agency.