US Bridges

S Otter Creek Road over Lockwood Drain

Poor

Monroe County, Michigan · 0.3 MI W of Strasburg RD · Structure no. 000000000007364

Built
1930
95 years old, rebuilt 1981
Condition
Poor
inspected August 2024
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
130
2010 count
Owner
County
County Highway Agency

About this bridge

S Otter Creek Road over Lockwood Drain is a prestressed concrete slab carrying S Otter Creek Road over Lockwood Drain in Monroe County, Michigan. It was built in 1930 and reconstructed in 1981, so it is 95 years old, older 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 130 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2022. The structure is 26 ft (7.9 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS Otter Creek Road
CrossesLockwood Drain
Location0.3 MI W of Strasburg RD
RouteCounty Highway 0
Coordinates41.87489, -83.52016
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span22 ft (6.6 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2010)
Projected traffic200 by 2022
Trucks5%
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 S Otter Creek Road over Lockwood Drain built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1981.

What condition is S Otter Creek Road over Lockwood 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 August 2024.

How much traffic does S Otter Creek Road over Lockwood Drain carry?

About 130 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is S Otter Creek Road over Lockwood Drain?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.6 m) and a deck 21 ft wide.

Who owns S Otter Creek Road over Lockwood Drain?

It is owned by the County Highway Agency.