US Bridges

SR 4020 over Chartiers Creek

Fair

Washington County, Pennsylvania · Canton & S Strabane Twp. · Structure no. 000000000035165

Built
1955
70 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
89 ft
2 main spans
Daily traffic
5,541
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4020 over Chartiers Creek is a prestressed concrete box beam or girders - multiple carrying SR 4020 over Chartiers Creek in Washington County, Pennsylvania. It was built in 1955, so it is 70 years old, older than the Pennsylvania average of 54.8 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 5,541 vehicles a day, roughly 6% of them trucks, projected to reach 7,816 by 2032. The structure is 89 ft (27.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 4020
CrossesChartiers Creek
LocationCanton & S Strabane Twp.
RouteState Highway 0
Coordinates40.20079, -80.26424
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span43 ft (13.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,541 (2024)
Projected traffic7,816 by 2032
Trucks6%
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

OwnerState Highway Agency
Maintained byState 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 SR 4020 over Chartiers Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is SR 4020 over Chartiers Creek 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 July 2024.

How much traffic does SR 4020 over Chartiers Creek carry?

About 5,541 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 4020 over Chartiers Creek?

The structure is 89 ft (27.1 m) long with a longest span of 43 ft (13.1 m).

Who owns SR 4020 over Chartiers Creek?

It is owned by the State Highway Agency.