US Bridges

East 4th Street over Ridley Creek

Fair

Delaware County, Pennsylvania · 1MI So of PA-291 35-E1 · Structure no. 000000000015404

Built
1930
95 years old
Condition
Fair
inspected January 2024
Type
Arch - Deck
Concrete
Length
140 ft
1 main span
Daily traffic
343
2022 count
Owner
County
County Highway Agency

About this bridge

East 4th Street over Ridley Creek is a concrete arch - deck carrying East 4th Street over Ridley Creek in Delaware County, Pennsylvania. It was built in 1930, so it is 95 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 343 vehicles a day, roughly 4% of them trucks, projected to reach 382 by 2042. The structure is 140 ft (42.7 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEast 4th Street
CrossesRidley Creek
Location1MI So of PA-291 35-E1
RouteCounty Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.85344, -75.34635
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating109 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length140 ft (42.7 m)
Longest span140 ft (42.7 m)
Deck width60 ft (18.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic343 (2022)
Projected traffic382 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$660,000
NavigationNo navigation control on waterway

Frequently asked questions

When was East 4th Street over Ridley Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is East 4th Street over Ridley 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 January 2024.

How much traffic does East 4th Street over Ridley Creek carry?

About 343 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is East 4th Street over Ridley Creek?

The structure is 140 ft (42.7 m) long with a longest span of 140 ft (42.7 m) and a deck 60 ft wide.

Who owns East 4th Street over Ridley Creek?

It is owned by the County Highway Agency.