US Bridges

Millan Road over Setter I/C Drain

Fair

Sanilac County, Michigan · Sec 12 Flynn Twp · Structure no. 000000000009616

Built
1999
26 years old
Condition
Fair
inspected April 2024
Type
Culvert
Steel
Length
32 ft
2 main spans
Daily traffic
110
2016 count
Owner
County
County Highway Agency

About this bridge

Millan Road over Setter I/C Drain is a steel culvert carrying Millan Road over Setter I/C Drain in Sanilac County, Michigan. It was built in 1999, so it is 26 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 110 vehicles a day, projected to reach 200 by 2036. The structure is 32 ft (9.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMillan Road
CrossesSetter I/C Drain
LocationSec 12 Flynn Twp
RouteCounty Highway 0
CountySanilac County
StateMichigan
Coordinates43.30782, -82.89465
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating92.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2016)
Projected traffic200 by 2036
Trucks0%
Lanes on structure2
Traffic directionOne-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 Millan Road over Setter I/C Drain built?

It was built in 1999, making it 26 years old in 2025.

What condition is Millan Road over Setter 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 April 2024.

How much traffic does Millan Road over Setter I/C Drain carry?

About 110 vehicles per day (2016 count).

How long is Millan Road over Setter I/C Drain?

The structure is 32 ft (9.9 m) long with a longest span of 14 ft (4.3 m).

Who owns Millan Road over Setter I/C Drain?

It is owned by the County Highway Agency.