US Bridges

Delchester Road over Ridley Creek

Fair

Delaware County, Pennsylvania · Delchester RD 24A09 · Structure no. 000000000015352

Built
1926
99 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
55 ft
1 main span
Daily traffic
3,575
2024 count
Owner
State
State Highway Agency

About this bridge

Delchester Road over Ridley Creek is a concrete arch - deck carrying Delchester Road over Ridley Creek in Delaware County, Pennsylvania. It was built in 1926, 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 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 3,575 vehicles a day, roughly 5% of them trucks, projected to reach 3,670 by 2032. The structure is 55 ft (16.8 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesDelchester Road
CrossesRidley Creek
LocationDelchester RD 24A09
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.96753, -75.47352
Functional classUrban Collector

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.
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 inspectionAugust 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width40 ft (12.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,575 (2024)
Projected traffic3,670 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Delchester Road over Ridley Creek built?

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

What condition is Delchester Road 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 August 2024.

How much traffic does Delchester Road over Ridley Creek carry?

About 3,575 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Delchester Road over Ridley Creek?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 40 ft wide.

Who owns Delchester Road over Ridley Creek?

It is owned by the State Highway Agency.