US Bridges

Fox Chapel RD over Sycamore Run

Fair

Allegheny County, Pennsylvania · SQ02 Sycamore Run No. 2 · Structure no. 000000000002594

Built
1926
99 years old, rebuilt 2015
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
15,217
2015 count
Owner
County
County Highway Agency

About this bridge

Fox Chapel RD over Sycamore Run is a prestressed concrete box beam or girders - multiple carrying Fox Chapel RD over Sycamore Run in Allegheny County, Pennsylvania. It was built in 1926 and reconstructed in 2015, so it is 99 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 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 15,217 vehicles a day, roughly 5% of them trucks, projected to reach 15,500 by 2035. The structure is 45 ft (13.7 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFox Chapel RD
CrossesSycamore Run
LocationSQ02 Sycamore Run No. 2
RouteCounty Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.50456, -79.88356
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating54.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,217 (2015)
Projected traffic15,500 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$211,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fox Chapel RD over Sycamore Run built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2015.

What condition is Fox Chapel RD over Sycamore 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 February 2024.

How much traffic does Fox Chapel RD over Sycamore Run carry?

About 15,217 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Fox Chapel RD over Sycamore Run?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 36 ft wide.

Who owns Fox Chapel RD over Sycamore Run?

It is owned by the County Highway Agency.