US Bridges

Gabby Br (T-505) over Chartiers Creek

PoorPosted for load

Washington County, Pennsylvania · 400 West of SR 3013 · Structure no. 000000000035363

Built
1947
78 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
500
1990 count
Owner
County
County Highway Agency

About this bridge

Gabby Br (T-505) over Chartiers Creek is a steel stringer/multi-beam or girder carrying Gabby Br (T-505) over Chartiers Creek in Washington County, Pennsylvania. It was built in 1947, so it is 78 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. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 1% of them trucks, projected to reach 800 by 2013. The structure is 40 ft (12.2 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesGabby Br (T-505)
CrossesChartiers Creek
Location400 West of SR 3013
RouteCity Street 0T504
CountyWashington County
StatePennsylvania
Coordinates40.15079, -80.2696
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.1 US tons
Inventory rating13 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1990)
Projected traffic800 by 2013
Trucks1%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$116,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Gabby Br (T-505) over Chartiers Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is Gabby Br (T-505) 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 April 2023.

How much traffic does Gabby Br (T-505) over Chartiers Creek carry?

About 500 vehicles per day (1990 count), of which roughly 1% are trucks.

How long is Gabby Br (T-505) over Chartiers Creek?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 17 ft wide.

Who owns Gabby Br (T-505) over Chartiers Creek?

It is owned by the County Highway Agency.