US Bridges

Strawberry Mansion over Skl Riv Kelly W Riv Stdr

Fair

Philadelphia County, Pennsylvania · Strawberry Mansion 3589J1 · Structure no. 000000000039231

Built
1897
128 years old, rebuilt 1998
Condition
Fair
inspected February 2023
Type
Arch - Deck
Steel Continuous
Length
1,242 ft
4 main spans
Daily traffic
12,580
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Strawberry Mansion over Skl Riv Kelly W Riv Stdr is a steel continuous arch - deck carrying Strawberry Mansion over Skl Riv Kelly W Riv Stdr in Philadelphia County, Pennsylvania. It was built in 1897 and reconstructed in 1998, so it is 128 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 12,580 vehicles a day, roughly 1% of them trucks, projected to reach 14,500 by 2038. The structure is 1,242 ft (378.6 m) long and 79 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesStrawberry Mansion
CrossesSkl Riv Kelly W Riv Stdr
LocationStrawberry Mansion 3589J1
RouteCity Street 0
Coordinates39.99535, -75.19388
Functional classUrban Minor Arterial

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.
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeArch - Deck
MaterialSteel Continuous
DeckClosed grating
Main spans4 (+6 approach)
Design loadHS 20
Structure length1,242 ft (378.6 m)
Longest span200 ft (61 m)
Deck width79 ft (24.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,580 (2018)
Projected traffic14,500 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$12.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Strawberry Mansion over Skl Riv Kelly W Riv Stdr built?

It was built in 1897, making it 128 years old in 2025. It was reconstructed in 1998.

What condition is Strawberry Mansion over Skl Riv Kelly W Riv Stdr 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 February 2023.

How much traffic does Strawberry Mansion over Skl Riv Kelly W Riv Stdr carry?

About 12,580 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Strawberry Mansion over Skl Riv Kelly W Riv Stdr?

The structure is 1,242 ft (378.6 m) long with a longest span of 200 ft (61 m) and a deck 79 ft wide.

Who owns Strawberry Mansion over Skl Riv Kelly W Riv Stdr?

It is owned by the City or Municipal Highway Agency.