US Bridges

Mowerson Road over Elk Creek Drain

Poor

Sanilac County, Michigan · Sec 31 Elk Twp · Structure no. 000000000009599

Built
1980
45 years old
Condition
Poor
inspected June 2024
Type
Culvert
Steel
Length
31 ft
2 main spans
Daily traffic
150
2010 count
Owner
County
County Highway Agency

About this bridge

Mowerson Road over Elk Creek Drain is a steel culvert carrying Mowerson Road over Elk Creek Drain in Sanilac County, Michigan. It was built in 1980, so it is 45 years old, younger 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 3 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2030. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMowerson Road
CrossesElk Creek Drain
LocationSec 31 Elk Twp
RouteCounty Highway 0
CountySanilac County
StateMichigan
Coordinates43.25644, -82.88334
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length31 ft (9.4 m)
Longest span17 ft (5.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2010)
Projected traffic270 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Mowerson Road over Elk Creek Drain built?

It was built in 1980, making it 45 years old in 2025.

What condition is Mowerson Road over Elk Creek 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 June 2024.

How much traffic does Mowerson Road over Elk Creek Drain carry?

About 150 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Mowerson Road over Elk Creek Drain?

The structure is 31 ft (9.4 m) long with a longest span of 17 ft (5.1 m).

Who owns Mowerson Road over Elk Creek Drain?

It is owned by the County Highway Agency.