US Bridges

Mid-County Exwy.Sb over Ramp N-L;off to TR-30

Fair

Delaware County, Pennsylvania · Near Villanova 14H10 · Structure no. 000000000015144

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
126 ft
1 main span
Daily traffic
48,871
2024 count
Owner
State
State Highway Agency

About this bridge

Mid-County Exwy.Sb over Ramp N-L;off to TR-30 is a steel stringer/multi-beam or girder carrying Mid-County Exwy.Sb over Ramp N-L;off to TR-30 in Delaware County, Pennsylvania. It was built in 1990, so it is 35 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 48,871 vehicles a day, roughly 10% of them trucks, projected to reach 61,268 by 2032. The structure is 126 ft (38.4 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMid-County Exwy.Sb
CrossesRamp N-L;off to TR-30
LocationNear Villanova 14H10
RouteInterstate 476
CountyDelaware County
StatePennsylvania
Coordinates40.03636, -75.35648
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length126 ft (38.4 m)
Longest span119 ft (36.3 m)
Deck width60 ft (18.4 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,871 (2024)
Projected traffic61,268 by 2032
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mid-County Exwy.Sb over Ramp N-L;off to TR-30 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Mid-County Exwy.Sb over Ramp N-L;off to TR-30 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 October 2023.

How much traffic does Mid-County Exwy.Sb over Ramp N-L;off to TR-30 carry?

About 48,871 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mid-County Exwy.Sb over Ramp N-L;off to TR-30?

The structure is 126 ft (38.4 m) long with a longest span of 119 ft (36.3 m) and a deck 60 ft wide.

Who owns Mid-County Exwy.Sb over Ramp N-L;off to TR-30?

It is owned by the State Highway Agency.