US Bridges

Mid-County Exwy.Nb over Septa(p&w);trib.Crum Ck.

Good

Delaware County, Pennsylvania · Springfield Mall 34G06 · Structure no. 000000000015050

Built
1990
35 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
416 ft
4 main spans
Daily traffic
45,057
2024 count
Owner
State
State Highway Agency

About this bridge

Mid-County Exwy.Nb over Septa(p&w);trib.Crum Ck. is a prestressed concrete stringer/multi-beam or girder carrying Mid-County Exwy.Nb over Septa(p&w);trib.Crum Ck. 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45,057 vehicles a day, roughly 11% of them trucks, projected to reach 59,107 by 2032. The structure is 416 ft (126.8 m) long and 72 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMid-County Exwy.Nb
CrossesSepta(p&w);trib.Crum Ck.
LocationSpringfield Mall 34G06
RouteInterstate 476
Coordinates39.91624, -75.36216
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length416 ft (126.8 m)
Longest span125 ft (38.1 m)
Deck width72 ft (21.9 m)
Roadway width68 ft (20.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,057 (2024)
Projected traffic59,107 by 2032
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mid-County Exwy.Nb over Septa(p&w);trib.Crum Ck. built?

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

What condition is Mid-County Exwy.Nb over Septa(p&w);trib.Crum Ck. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Mid-County Exwy.Nb over Septa(p&w);trib.Crum Ck. carry?

About 45,057 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mid-County Exwy.Nb over Septa(p&w);trib.Crum Ck.?

The structure is 416 ft (126.8 m) long with a longest span of 125 ft (38.1 m) and a deck 72 ft wide.

Who owns Mid-County Exwy.Nb over Septa(p&w);trib.Crum Ck.?

It is owned by the State Highway Agency.