US Bridges

Baltimore Pike over Darby Creek

Good

Delaware County, Pennsylvania · Lansdowne Line 35H02 · Structure no. 000000000015263

Built
1919
106 years old, rebuilt 2019
Condition
Good
inspected March 2023
Type
Arch - Deck
Masonry
Length
78 ft
3 main spans
Daily traffic
17,327
2024 count
Owner
State
State Highway Agency

About this bridge

Baltimore Pike over Darby Creek is a masonry arch - deck carrying Baltimore Pike over Darby Creek in Delaware County, Pennsylvania. It was built in 1919 and reconstructed in 2019, so it is 106 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,327 vehicles a day, roughly 7% of them trucks, projected to reach 17,735 by 2032. The structure is 78 ft (23.8 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBaltimore Pike
CrossesDarby Creek
LocationLansdowne Line 35H02
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.93457, -75.28441
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating31 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans3
Design loadH 15
Structure length78 ft (23.8 m)
Longest span20 ft (6.1 m)
Deck width50 ft (15.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,327 (2024)
Projected traffic17,735 by 2032
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$275,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Baltimore Pike over Darby Creek built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 2019.

What condition is Baltimore Pike over Darby Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Baltimore Pike over Darby Creek carry?

About 17,327 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Baltimore Pike over Darby Creek?

The structure is 78 ft (23.8 m) long with a longest span of 20 ft (6.1 m) and a deck 50 ft wide.

Who owns Baltimore Pike over Darby Creek?

It is owned by the State Highway Agency.