US Bridges

Mechanicstown 406 over Penn Central

FairPosted for load

Columbiana County, Ohio · 0.2 MI S SR644 · Structure no. 1533134

Built
1917
108 years old, rebuilt 2014
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
144 ft
1 main span
Daily traffic
204
2015 count
Owner
County
County Highway Agency

About this bridge

Mechanicstown 406 over Penn Central is a steel truss - thru carrying Mechanicstown 406 over Penn Central in Columbiana County, Ohio. It was built in 1917 and reconstructed in 2014, so it is 108 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 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 204 vehicles a day, roughly 7% of them trucks, projected to reach 283 by 2035. The structure is 144 ft (43.9 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMechanicstown 406
CrossesPenn Central
Location0.2 MI S SR644
RouteCounty Highway C0406
CountyColumbiana County
StateOhio
Coordinates40.73197, -80.9367
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 15
Structure length144 ft (43.9 m)
Longest span142 ft (43.3 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic204 (2015)
Projected traffic283 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mechanicstown 406 over Penn Central built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 2014.

What condition is Mechanicstown 406 over Penn Central 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 September 2024.

How much traffic does Mechanicstown 406 over Penn Central carry?

About 204 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Mechanicstown 406 over Penn Central?

The structure is 144 ft (43.9 m) long with a longest span of 142 ft (43.3 m) and a deck 23 ft wide.

Who owns Mechanicstown 406 over Penn Central?

It is owned by the County Highway Agency.