US Bridges

Spring Garden St. over Schuylkill Expressway

Fair

Montgomery County, Pennsylvania · West Conshohocken 35E04 · Structure no. 000000000027254

Built
1951
74 years old
Condition
Fair
inspected February 2023
Type
Frame
Steel
Length
87 ft
1 main span
Daily traffic
458
2024 count
Owner
State
State Highway Agency

About this bridge

Spring Garden St. over Schuylkill Expressway is a steel frame carrying Spring Garden St. over Schuylkill Expressway in Montgomery County, Pennsylvania. It was built in 1951, so it is 74 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 458 vehicles a day, roughly 3% of them trucks, projected to reach 613 by 2032. The structure is 87 ft (26.5 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSpring Garden St.
CrossesSchuylkill Expressway
LocationWest Conshohocken 35E04
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.06725, -75.30796
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length87 ft (26.5 m)
Longest span84 ft (25.6 m)
Deck width29 ft (8.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic458 (2024)
Projected traffic613 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$349,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spring Garden St. over Schuylkill Expressway built?

It was built in 1951, making it 74 years old in 2025.

What condition is Spring Garden St. over Schuylkill Expressway 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 Spring Garden St. over Schuylkill Expressway carry?

About 458 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Spring Garden St. over Schuylkill Expressway?

The structure is 87 ft (26.5 m) long with a longest span of 84 ft (25.6 m) and a deck 29 ft wide.

Who owns Spring Garden St. over Schuylkill Expressway?

It is owned by the State Highway Agency.