US Bridges

Mid-County Exwy.Sb over Baltimore Pike

Fair

Delaware County, Pennsylvania · Springfield Mall 34G06 · Structure no. 000000000015051

Built
1989
36 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
144 ft
1 main span
Daily traffic
43,874
2024 count
Owner
State
State Highway Agency

About this bridge

Mid-County Exwy.Sb over Baltimore Pike is a steel stringer/multi-beam or girder carrying Mid-County Exwy.Sb over Baltimore Pike in Delaware County, Pennsylvania. It was built in 1989, so it is 36 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 43,874 vehicles a day, roughly 10% of them trucks, projected to reach 58,525 by 2032. The structure is 144 ft (43.9 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMid-County Exwy.Sb
CrossesBaltimore Pike
LocationSpringfield Mall 34G06
RouteInterstate 476
CountyDelaware County
StatePennsylvania
Coordinates39.91273, -75.36234
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length144 ft (43.9 m)
Longest span140 ft (42.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,874 (2024)
Projected traffic58,525 by 2032
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Baltimore Pike built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mid-County Exwy.Sb over Baltimore Pike 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 Mid-County Exwy.Sb over Baltimore Pike carry?

About 43,874 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mid-County Exwy.Sb over Baltimore Pike?

The structure is 144 ft (43.9 m) long with a longest span of 140 ft (42.7 m) and a deck 47 ft wide.

Who owns Mid-County Exwy.Sb over Baltimore Pike?

It is owned by the State Highway Agency.