US Bridges

Sterns RD over Ottawa Lake Outlet

Good

Monroe County, Michigan · 2.45 MI E of Old US 223 · Structure no. 000000000007222

Built
1997
28 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
10,500
2017 count
Owner
County
County Highway Agency

About this bridge

Sterns RD over Ottawa Lake Outlet is a concrete culvert carrying Sterns RD over Ottawa Lake Outlet in Monroe County, Michigan. It was built in 1997, so it is 28 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,500 vehicles a day, roughly 17% of them trucks, projected to reach 1,196 by 2037. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSterns RD
CrossesOttawa Lake Outlet
Location2.45 MI E of Old US 223
RouteCounty Highway 5806
CountyMonroe County
StateMichigan
Coordinates41.74778, -83.68536
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating53.6 US tons
Inventory rating48.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2017)
Projected traffic1,196 by 2037
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Sterns RD over Ottawa Lake Outlet built?

It was built in 1997, making it 28 years old in 2025.

What condition is Sterns RD over Ottawa Lake Outlet in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Sterns RD over Ottawa Lake Outlet carry?

About 10,500 vehicles per day (2017 count), of which roughly 17% are trucks.

How long is Sterns RD over Ottawa Lake Outlet?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m).

Who owns Sterns RD over Ottawa Lake Outlet?

It is owned by the County Highway Agency.