US Bridges

Old Freeport Road over Sycamore Run

Poor

Allegheny County, Pennsylvania · SQ01 Sycamore Run No. 1 · Structure no. 000000000002172

Built
1982
43 years old
Condition
Poor
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
825
2023 count
Owner
County
County Highway Agency

About this bridge

Old Freeport Road over Sycamore Run is a prestressed concrete box beam or girders - multiple carrying Old Freeport Road over Sycamore Run in Allegheny County, Pennsylvania. It was built in 1982, so it is 43 years old, younger 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.

It carries about 825 vehicles a day, roughly 5% of them trucks, projected to reach 2,925 by 2043. The structure is 52 ft (15.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Freeport Road
CrossesSycamore Run
LocationSQ01 Sycamore Run No. 1
RouteCounty Highway 0
Coordinates40.48808, -79.87754
Functional classUrban Local

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating16 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic825 (2023)
Projected traffic2,925 by 2043
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Freeport Road over Sycamore Run built?

It was built in 1982, making it 43 years old in 2025.

What condition is Old Freeport Road over Sycamore Run 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 June 2023.

How much traffic does Old Freeport Road over Sycamore Run carry?

About 825 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Old Freeport Road over Sycamore Run?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 31 ft wide.

Who owns Old Freeport Road over Sycamore Run?

It is owned by the County Highway Agency.