US Bridges

Shimmel RD over Sherman Mill Creek

Good

St. Joseph County, Michigan · 1.9 MI N of US-12 · Structure no. 000000000014592

Built
2022
3 years old
Condition
Good
inspected November 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
22 ft
1 main span
Daily traffic
2,225
2022 count
Owner
County
County Highway Agency

About this bridge

Shimmel RD over Sherman Mill Creek is a aluminum, wrought iron, or cast iron culvert carrying Shimmel RD over Sherman Mill Creek in St. Joseph County, Michigan. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,225 vehicles a day, roughly 12% of them trucks, projected to reach 2,559 by 2042. 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
CarriesShimmel RD
CrossesSherman Mill Creek
Location1.9 MI N of US-12
RouteCounty Highway 7859
CountySt. Joseph County
StateMichigan
Coordinates41.82136, -85.50619
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,225 (2022)
Projected traffic2,559 by 2042
Trucks12%
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 Shimmel RD over Sherman Mill Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Shimmel RD over Sherman Mill Creek 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 November 2023.

How much traffic does Shimmel RD over Sherman Mill Creek carry?

About 2,225 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Shimmel RD over Sherman Mill Creek?

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

Who owns Shimmel RD over Sherman Mill Creek?

It is owned by the County Highway Agency.