US Bridges

Interstate 95 over Shunk St.To Mifflin St.

Fair

Philadelphia County, Pennsylvania · S.Phila 3700G04 · Structure no. 000000000038552

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
2,978 ft
44 main spans
Daily traffic
106,036
2024 count
Owner
State
State Highway Agency

About this bridge

Interstate 95 over Shunk St.To Mifflin St. is a prestressed concrete continuous stringer/multi-beam or girder carrying Interstate 95 over Shunk St.To Mifflin St. in Philadelphia County, Pennsylvania. It was built in 1967, so it is 58 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 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 106,036 vehicles a day, roughly 7% of them trucks, projected to reach 101,093 by 2032. The structure is 2,978 ft (907.7 m) long and 140 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesInterstate 95
CrossesShunk St.To Mifflin St.
LocationS.Phila 3700G04
RouteInterstate 95
Coordinates39.91556, -75.14752
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating26 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans44
Design loadHS 20
Structure length2,978 ft (907.7 m)
Longest span79 ft (24.1 m)
Deck width140 ft (42.6 m)
Roadway width136 ft (41.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106,036 (2024)
Projected traffic101,093 by 2032
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost$77.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 95 over Shunk St.To Mifflin St. built?

It was built in 1967, making it 58 years old in 2025.

What condition is Interstate 95 over Shunk St.To Mifflin St. 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 2023.

How much traffic does Interstate 95 over Shunk St.To Mifflin St. carry?

About 106,036 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Interstate 95 over Shunk St.To Mifflin St.?

The structure is 2,978 ft (907.7 m) long with a longest span of 79 ft (24.1 m) and a deck 140 ft wide.

Who owns Interstate 95 over Shunk St.To Mifflin St.?

It is owned by the State Highway Agency.