US Bridges

Mid-County Exwy.Nb over Conestoga RD & Sproul RD

Fair

Delaware County, Pennsylvania · Conestoga;sproul 14G11 · Structure no. 000000000015133

Built
1989
36 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
227 ft
1 main span
Daily traffic
44,192
2024 count
Owner
State
State Highway Agency

About this bridge

Mid-County Exwy.Nb over Conestoga RD & Sproul RD is a steel stringer/multi-beam or girder carrying Mid-County Exwy.Nb over Conestoga RD & Sproul RD 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 44,192 vehicles a day, roughly 10% of them trucks, projected to reach 67,047 by 2032. The structure is 227 ft (69.2 m) long and 62 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMid-County Exwy.Nb
CrossesConestoga RD & Sproul RD
LocationConestoga;sproul 14G11
RouteInterstate 476
CountyDelaware County
StatePennsylvania
Coordinates40.0302, -75.36296
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length227 ft (69.2 m)
Longest span222 ft (67.7 m)
Deck width62 ft (18.9 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,192 (2024)
Projected traffic67,047 by 2032
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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.Nb over Conestoga RD & Sproul RD built?

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

What condition is Mid-County Exwy.Nb over Conestoga RD & Sproul 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 October 2023.

How much traffic does Mid-County Exwy.Nb over Conestoga RD & Sproul RD carry?

About 44,192 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mid-County Exwy.Nb over Conestoga RD & Sproul RD?

The structure is 227 ft (69.2 m) long with a longest span of 222 ft (67.7 m) and a deck 62 ft wide.

Who owns Mid-County Exwy.Nb over Conestoga RD & Sproul RD?

It is owned by the State Highway Agency.