US Bridges

Scott Hill Road over Gillespie Run

Fair

Allegheny County, Pennsylvania · At SR 2017 Intersection · Structure no. 000000000002134

Built
1985
40 years old
Condition
Fair
inspected June 2024
Type
Arch - Deck
Steel
Length
30 ft
1 main span
Daily traffic
100
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Scott Hill Road over Gillespie Run is a steel arch - deck carrying Scott Hill Road over Gillespie Run in Allegheny County, Pennsylvania. It was built in 1985, so it is 40 years old, younger 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 6 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 100 by 2039. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesScott Hill Road
CrossesGillespie Run
LocationAt SR 2017 Intersection
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.23528, -79.81876
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic100 by 2039
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Scott Hill Road over Gillespie Run built?

It was built in 1985, making it 40 years old in 2025.

What condition is Scott Hill Road over Gillespie Run 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 June 2024.

How much traffic does Scott Hill Road over Gillespie Run carry?

About 100 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Scott Hill Road over Gillespie Run?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 27 ft wide.

Who owns Scott Hill Road over Gillespie Run?

It is owned by the Town or Township Highway Agency.