US Bridges

Laughlin-Mill 742 over Sandy Beaver Canal

Fair

Columbiana County, Ohio · 0.0 MI W T756 · Structure no. 1535978

Built
1900
125 years old, rebuilt 1976
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
209
2015 count
Owner
County
County Highway Agency

About this bridge

Laughlin-Mill 742 over Sandy Beaver Canal is a steel stringer/multi-beam or girder carrying Laughlin-Mill 742 over Sandy Beaver Canal in Columbiana County, Ohio. It was built in 1900 and reconstructed in 1976, so it is 125 years old, older than the Ohio average of 47.3 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 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2035. The structure is 44 ft (13.4 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLaughlin-Mill 742
CrossesSandy Beaver Canal
Location0.0 MI W T756
RouteCounty Highway T0742
StateOhio
Coordinates40.75352, -80.86057
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating103.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2015)
Projected traffic290 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Laughlin-Mill 742 over Sandy Beaver Canal built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1976.

What condition is Laughlin-Mill 742 over Sandy Beaver Canal 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 June 2024.

How much traffic does Laughlin-Mill 742 over Sandy Beaver Canal carry?

About 209 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Laughlin-Mill 742 over Sandy Beaver Canal?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 17 ft wide.

Who owns Laughlin-Mill 742 over Sandy Beaver Canal?

It is owned by the County Highway Agency.