US Bridges

Thomas Road over Sellars Drain

FairPosted for load

Tuscola County, Michigan · Sec 20-21 Akron Twp · Structure no. 000000000010530

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
300
2009 count
Owner
County
County Highway Agency

About this bridge

Thomas Road over Sellars Drain is a steel stringer/multi-beam or girder carrying Thomas Road over Sellars Drain in Tuscola County, Michigan. It was built in 1960, so it is 65 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, projected to reach 720 by 2029. The structure is 35 ft (10.7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesThomas Road
CrossesSellars Drain
LocationSec 20-21 Akron Twp
RouteCounty Highway 0
CountyTuscola County
StateMichigan
Coordinates43.6821, -83.5466
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.7 m)
Longest span33 ft (10.2 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2009)
Projected traffic720 by 2029
Trucks0%
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 Thomas Road over Sellars Drain built?

It was built in 1960, making it 65 years old in 2025.

What condition is Thomas Road over Sellars 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 October 2024.

How much traffic does Thomas Road over Sellars Drain carry?

About 300 vehicles per day (2009 count).

How long is Thomas Road over Sellars Drain?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.2 m) and a deck 27 ft wide.

Who owns Thomas Road over Sellars Drain?

It is owned by the County Highway Agency.