US Bridges

Mid-County Exwy.Sb over Browns Run; Access Road

Good

Delaware County, Pennsylvania · Near Villanova 14H09 · Structure no. 000000000015146

Built
1990
35 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
48,871
2024 count
Owner
State
State Highway Agency

About this bridge

Mid-County Exwy.Sb over Browns Run; Access Road is a prestressed concrete box beam or girders - multiple carrying Mid-County Exwy.Sb over Browns Run; Access Road 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 48,871 vehicles a day, roughly 10% of them trucks, projected to reach 61,268 by 2032. The structure is 103 ft (31.4 m) long and 76 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMid-County Exwy.Sb
CrossesBrowns Run; Access Road
LocationNear Villanova 14H09
RouteInterstate 476
Coordinates40.03789, -75.35401
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating64 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.4 m)
Longest span99 ft (30.2 m)
Deck width76 ft (23.1 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,871 (2024)
Projected traffic61,268 by 2032
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mid-County Exwy.Sb over Browns Run; Access Road built?

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

What condition is Mid-County Exwy.Sb over Browns Run; Access Road 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 October 2023.

How much traffic does Mid-County Exwy.Sb over Browns Run; Access Road carry?

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

How long is Mid-County Exwy.Sb over Browns Run; Access Road?

The structure is 103 ft (31.4 m) long with a longest span of 99 ft (30.2 m) and a deck 76 ft wide.

Who owns Mid-County Exwy.Sb over Browns Run; Access Road?

It is owned by the State Highway Agency.