US Bridges

SR 0018 over Chartiers Creek

PoorPosted for load

Washington County, Pennsylvania · North Franklin Township · Structure no. 000000000034314

Built
1934
91 years old
Condition
Poor
inspected November 2023
Type
Tee Beam
Concrete
Length
54 ft
2 main spans
Daily traffic
6,711
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0018 over Chartiers Creek is a concrete tee beam carrying SR 0018 over Chartiers Creek in Washington County, Pennsylvania. It was built in 1934, so it is 91 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 3 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. Its operating status is: posted for load restriction.

It carries about 6,711 vehicles a day, roughly 5% of them trucks, projected to reach 9,509 by 2042. The structure is 54 ft (16.5 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 0018
CrossesChartiers Creek
LocationNorth Franklin Township
RouteState Highway 18
Coordinates40.14569, -80.26805
Functional classUrban Minor Arterial

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span26 ft (7.9 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,711 (2024)
Projected traffic9,509 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$420,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0018 over Chartiers Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is SR 0018 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 November 2023.

How much traffic does SR 0018 over Chartiers Creek carry?

About 6,711 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 0018 over Chartiers Creek?

The structure is 54 ft (16.5 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.

Who owns SR 0018 over Chartiers Creek?

It is owned by the State Highway Agency.