US Bridges

M-19 over Emmett Drain

Good

St. Clair County, Michigan · 0.5 MI N of M-21 · Structure no. 000000000009900

Built
1987
38 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
4,690
2007 count
Owner
State
State Highway Agency

About this bridge

M-19 over Emmett Drain is a prestressed concrete stringer/multi-beam or girder carrying M-19 over Emmett Drain in St. Clair County, Michigan. It was built in 1987, so it is 38 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 4,690 vehicles a day, roughly 10% of them trucks, projected to reach 8,954 by 2018. The structure is 27 ft (8.1 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesM-19
CrossesEmmett Drain
Location0.5 MI N of M-21
RouteState Highway 19
CountySt. Clair County
StateMichigan
Coordinates43.00338, -82.761
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84.3 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span24 ft (7.3 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,690 (2007)
Projected traffic8,954 by 2018
Trucks10%
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

OwnerState Highway Agency
Maintained byState 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 M-19 over Emmett Drain built?

It was built in 1987, making it 38 years old in 2025.

What condition is M-19 over Emmett 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 November 2023.

How much traffic does M-19 over Emmett Drain carry?

About 4,690 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is M-19 over Emmett Drain?

The structure is 27 ft (8.1 m) long with a longest span of 24 ft (7.3 m) and a deck 51 ft wide.

Who owns M-19 over Emmett Drain?

It is owned by the State Highway Agency.