US Bridges

Fleming Road over Conway-Cohoctah Union Dn

Fair

Livingston County, Michigan · Sec 7-8 Cohoctah Twp · Structure no. 000000000005846

Built
1953
72 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
193
2013 count
Owner
County
County Highway Agency

About this bridge

Fleming Road over Conway-Cohoctah Union Dn is a steel culvert carrying Fleming Road over Conway-Cohoctah Union Dn in Livingston County, Michigan. It was built in 1953, so it is 72 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 193 vehicles a day, projected to reach 300 by 2020. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFleming Road
CrossesConway-Cohoctah Union Dn
LocationSec 7-8 Cohoctah Twp
RouteCounty Highway 0
CountyLivingston County
StateMichigan
Coordinates42.75588, -84.01886
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic193 (2013)
Projected traffic300 by 2020
Trucks—
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 Fleming Road over Conway-Cohoctah Union Dn built?

It was built in 1953, making it 72 years old in 2025.

What condition is Fleming Road over Conway-Cohoctah Union Dn in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Fleming Road over Conway-Cohoctah Union Dn carry?

About 193 vehicles per day (2013 count).

How long is Fleming Road over Conway-Cohoctah Union Dn?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns Fleming Road over Conway-Cohoctah Union Dn?

It is owned by the County Highway Agency.