US Bridges

Old Plank Road over Chartiers Creek

Poor

Washington County, Pennsylvania · South of County Airport · Structure no. 000000000035340

Built
1922
103 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
200
2005 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Plank Road over Chartiers Creek is a steel stringer/multi-beam or girder carrying Old Plank Road over Chartiers Creek in Washington County, Pennsylvania. It was built in 1922, so it is 103 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2009. The structure is 28 ft (8.5 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Plank Road
CrossesChartiers Creek
LocationSouth of County Airport
RouteCity Street 0T421
Coordinates40.12328, -80.2898
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2005)
Projected traffic400 by 2009
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$52,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Plank Road over Chartiers Creek built?

It was built in 1922, making it 103 years old in 2025.

What condition is Old Plank Road over Chartiers Creek 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 October 2023.

How much traffic does Old Plank Road over Chartiers Creek carry?

About 200 vehicles per day (2005 count), of which roughly 1% are trucks.

How long is Old Plank Road over Chartiers Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 25 ft wide.

Who owns Old Plank Road over Chartiers Creek?

It is owned by the Town or Township Highway Agency.