US Bridges

Mid-County Exwy.Nb over Crum Creek

Fair

Delaware County, Pennsylvania · Smedley Park 34G04 · Structure no. 000000000015056

Built
1990
35 years old
Condition
Fair
inspected December 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
546 ft
3 main spans
Daily traffic
45,057
2024 count
Owner
State
State Highway Agency

About this bridge

Mid-County Exwy.Nb over Crum Creek is a steel continuous stringer/multi-beam or girder carrying Mid-County Exwy.Nb over Crum Creek 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 45,057 vehicles a day, roughly 11% of them trucks, projected to reach 59,107 by 2032. The structure is 546 ft (166.4 m) long and 58 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMid-County Exwy.Nb
CrossesCrum Creek
LocationSmedley Park 34G04
RouteInterstate 476
Coordinates39.92, -75.36167
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating92 US tons
Inventory rating55 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length546 ft (166.4 m)
Longest span180 ft (54.9 m)
Deck width58 ft (17.6 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,057 (2024)
Projected traffic59,107 by 2032
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Crum Creek built?

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

What condition is Mid-County Exwy.Nb over Crum Creek 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 December 2021.

How much traffic does Mid-County Exwy.Nb over Crum Creek carry?

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

How long is Mid-County Exwy.Nb over Crum Creek?

The structure is 546 ft (166.4 m) long with a longest span of 180 ft (54.9 m) and a deck 58 ft wide.

Who owns Mid-County Exwy.Nb over Crum Creek?

It is owned by the State Highway Agency.