US Bridges

Old Freeport Road over Little Sycamore Run

Fair

Allegheny County, Pennsylvania · SQ07 Sycamore Run No. 7 · Structure no. 000000000002173

Built
1991
34 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
21 ft
1 main span
Daily traffic
2,925
2021 count
Owner
County
County Highway Agency

About this bridge

Old Freeport Road over Little Sycamore Run is a prestressed concrete slab carrying Old Freeport Road over Little Sycamore Run in Allegheny County, Pennsylvania. It was built in 1991, so it is 34 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 2,925 vehicles a day, roughly 5% of them trucks, projected to reach 4,000 by 2041. The structure is 21 ft (6.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Freeport Road
CrossesLittle Sycamore Run
LocationSQ07 Sycamore Run No. 7
RouteCounty Highway 0
Coordinates40.48846, -79.87526
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating109 US tons
Inventory rating65 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,925 (2021)
Projected traffic4,000 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Freeport Road over Little Sycamore Run built?

It was built in 1991, making it 34 years old in 2025.

What condition is Old Freeport Road over Little 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 June 2023.

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

About 2,925 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Old Freeport Road over Little Sycamore Run?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns Old Freeport Road over Little Sycamore Run?

It is owned by the County Highway Agency.