US Bridges

Hessen Road over Casco Drain

Good

St. Clair County, Michigan · Sec. 14-15 Casco Twp. · Structure no. 000000000010134

Built
2016
9 years old
Condition
Good
inspected March 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
250
2016 count
Owner
County
County Highway Agency

About this bridge

Hessen Road over Casco Drain is a steel culvert carrying Hessen Road over Casco Drain in St. Clair County, Michigan. It was built in 2016, so it is 9 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 250 vehicles a day, roughly 6% of them trucks, projected to reach 305 by 2036. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHessen Road
CrossesCasco Drain
LocationSec. 14-15 Casco Twp.
RouteCounty Highway 0
CountySt. Clair County
StateMichigan
Coordinates42.77618, -82.65309
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadGreater than HL 93
Structure length21 ft (6.3 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2016)
Projected traffic305 by 2036
Trucks6%
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 Hessen Road over Casco Drain built?

It was built in 2016, making it 9 years old in 2025.

What condition is Hessen Road over Casco 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 March 2024.

How much traffic does Hessen Road over Casco Drain carry?

About 250 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is Hessen Road over Casco Drain?

The structure is 21 ft (6.3 m) long with a longest span of 14 ft (4.2 m).

Who owns Hessen Road over Casco Drain?

It is owned by the County Highway Agency.