US Bridges

Elmwood Road over Southgate Drain

Fair

Tuscola County, Michigan · Sec 30-31 Akron Twp · Structure no. 000000000010535

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
225
2009 count
Owner
County
County Highway Agency

About this bridge

Elmwood Road over Southgate Drain is a steel stringer/multi-beam or girder carrying Elmwood Road over Southgate Drain in Tuscola County, Michigan. It was built in 1967, so it is 58 years old, older 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 5 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 225 vehicles a day, projected to reach 400 by 2029. The structure is 31 ft (9.4 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesElmwood Road
CrossesSouthgate Drain
LocationSec 30-31 Akron Twp
RouteCounty Highway 0
CountyTuscola County
StateMichigan
Coordinates43.57999, -83.58349
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.2 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span30 ft (9 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2009)
Projected traffic400 by 2029
Trucks0%
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 Elmwood Road over Southgate Drain built?

It was built in 1967, making it 58 years old in 2025.

What condition is Elmwood Road over Southgate 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 2023.

How much traffic does Elmwood Road over Southgate Drain carry?

About 225 vehicles per day (2009 count).

How long is Elmwood Road over Southgate Drain?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9 m) and a deck 30 ft wide.

Who owns Elmwood Road over Southgate Drain?

It is owned by the County Highway Agency.