US Bridges

Fourth Avenue over Stony Creek

Fair

Delaware County, Pennsylvania · .1MI.WEST PA-420 Adc 28C2 · Structure no. 000000000015418

Built
1962
63 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
3,354
2022 count
Owner
County
County Highway Agency

About this bridge

Fourth Avenue over Stony Creek is a concrete slab carrying Fourth Avenue over Stony Creek in Delaware County, Pennsylvania. It was built in 1962, so it is 63 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 5 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 3,354 vehicles a day, roughly 4% of them trucks, projected to reach 3,735 by 2042. The structure is 34 ft (10.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFourth Avenue
CrossesStony Creek
Location.1MI.WEST PA-420 Adc 28C2
RouteCity Street 0
Coordinates39.89742, -75.31627
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,354 (2022)
Projected traffic3,735 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$52,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fourth Avenue over Stony Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Fourth Avenue over Stony Creek 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 December 2023.

How much traffic does Fourth Avenue over Stony Creek carry?

About 3,354 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Fourth Avenue over Stony Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 43 ft wide.

Who owns Fourth Avenue over Stony Creek?

It is owned by the County Highway Agency.