US Bridges

Schuylkill Expway. over Mill Creek & Mill CR RD

Fair

Montgomery County, Pennsylvania · 1MI W.Gladwyne EXT.3471J3 · Structure no. 000000000027264

Built
1951
74 years old, rebuilt 1986
Condition
Fair
inspected March 2023
Type
Girder and Floorbeam System
Steel
Length
329 ft
3 main spans
Daily traffic
89,047
2024 count
Owner
State
State Highway Agency

About this bridge

Schuylkill Expway. over Mill Creek & Mill CR RD is a steel girder and floorbeam system carrying Schuylkill Expway. over Mill Creek & Mill CR RD in Montgomery County, Pennsylvania. It was built in 1951 and reconstructed in 1986, 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 89,047 vehicles a day, roughly 8% of them trucks, projected to reach 107,391 by 2032. The structure is 329 ft (100.3 m) long and 68 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSchuylkill Expway.
CrossesMill Creek & Mill CR RD
Location1MI W.Gladwyne EXT.3471J3
RouteInterstate 76
Coordinates40.04482, -75.25719
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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length329 ft (100.3 m)
Longest span123 ft (37.5 m)
Deck width68 ft (20.7 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89,047 (2024)
Projected traffic107,391 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed11.8 mi (19 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$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Schuylkill Expway. over Mill Creek & Mill CR RD built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1986.

What condition is Schuylkill Expway. over Mill Creek & Mill CR RD 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 March 2023.

How much traffic does Schuylkill Expway. over Mill Creek & Mill CR RD carry?

About 89,047 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Schuylkill Expway. over Mill Creek & Mill CR RD?

The structure is 329 ft (100.3 m) long with a longest span of 123 ft (37.5 m) and a deck 68 ft wide.

Who owns Schuylkill Expway. over Mill Creek & Mill CR RD?

It is owned by the State Highway Agency.