US Bridges

Interstate 95 over Darby Creek

Fair

Delaware County, Pennsylvania · Tinicum 44D01 · Structure no. 000000000014926

Built
1975
50 years old, rebuilt 2006
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
340 ft
5 main spans
Daily traffic
161,622
2024 count
Owner
State
State Highway Agency

About this bridge

Interstate 95 over Darby Creek is a steel continuous stringer/multi-beam or girder carrying Interstate 95 over Darby Creek in Delaware County, Pennsylvania. It was built in 1975 and reconstructed in 2006, so it is 50 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 161,622 vehicles a day, roughly 5% of them trucks, projected to reach 150,258 by 2032. The structure is 340 ft (103.6 m) long and 149 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesInterstate 95
CrossesDarby Creek
LocationTinicum 44D01
RouteInterstate 95
Coordinates39.86898, -75.31464
Functional classUrban Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating78 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span85 ft (25.9 m)
Deck width149 ft (45.5 m)
Roadway width137 ft (41.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161,622 (2024)
Projected traffic150,258 by 2032
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$3.5 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Interstate 95 over Darby Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2006.

What condition is Interstate 95 over Darby 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 September 2024.

How much traffic does Interstate 95 over Darby Creek carry?

About 161,622 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Interstate 95 over Darby Creek?

The structure is 340 ft (103.6 m) long with a longest span of 85 ft (25.9 m) and a deck 149 ft wide.

Who owns Interstate 95 over Darby Creek?

It is owned by the State Highway Agency.