US Bridges

Cogley Road over Emmett Drain

Poor

St. Clair County, Michigan · Sec. 30 Kenockee Twp · Structure no. 000000000010197

Built
1958
67 years old
Condition
Poor
inspected March 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
59
1994 count
Owner
County
County Highway Agency

About this bridge

Cogley Road over Emmett Drain is a steel culvert carrying Cogley Road over Emmett Drain in St. Clair County, Michigan. It was built in 1958, so it is 67 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 59 vehicles a day, projected to reach 102 by 2014. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCogley Road
CrossesEmmett Drain
LocationSec. 30 Kenockee Twp
RouteCounty Highway 0
CountySt. Clair County
StateMichigan
Coordinates43.00629, -82.74156
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic59 (1994)
Projected traffic102 by 2014
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$16,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cogley Road over Emmett Drain built?

It was built in 1958, making it 67 years old in 2025.

What condition is Cogley Road over Emmett Drain in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Cogley Road over Emmett Drain carry?

About 59 vehicles per day (1994 count).

How long is Cogley Road over Emmett Drain?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Cogley Road over Emmett Drain?

It is owned by the County Highway Agency.