US Bridges

Snover Road over White Creek I/C Drain

Fair

Sanilac County, Michigan · Sec 17-20 Lamotte Twp · Structure no. 000000000009534

Built
1983
42 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
875
2010 count
Owner
County
County Highway Agency

About this bridge

Snover Road over White Creek I/C Drain is a steel culvert carrying Snover Road over White Creek I/C Drain in Sanilac County, Michigan. It was built in 1983, so it is 42 years old, younger 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 875 vehicles a day, roughly 10% of them trucks, projected to reach 1,580 by 2030. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSnover Road
CrossesWhite Creek I/C Drain
LocationSec 17-20 Lamotte Twp
RouteCounty Highway 7460
CountySanilac County
StateMichigan
Coordinates43.45844, -83.07049
Functional classRural Major Collector

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic875 (2010)
Projected traffic1,580 by 2030
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

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 Snover Road over White Creek I/C Drain built?

It was built in 1983, making it 42 years old in 2025.

What condition is Snover Road over White Creek I/C Drain 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 May 2024.

How much traffic does Snover Road over White Creek I/C Drain carry?

About 875 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Snover Road over White Creek I/C Drain?

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

Who owns Snover Road over White Creek I/C Drain?

It is owned by the County Highway Agency.