US Bridges

Blue Ball Avenue over AMTRAK Main Line

Good

Delaware County, Pennsylvania · .2MI.NW Int 13 42G11 · Structure no. 000000000015305

Built
1994
31 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
150 ft
1 main span
Daily traffic
1,228
2023 count
Owner
State
State Highway Agency

About this bridge

Blue Ball Avenue over AMTRAK Main Line is a prestressed concrete box beam or girders - multiple carrying Blue Ball Avenue over AMTRAK Main Line in Delaware County, Pennsylvania. It was built in 1994, so it is 31 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 1,228 vehicles a day, roughly 7% of them trucks, projected to reach 3,802 by 2032. The structure is 150 ft (45.7 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesBlue Ball Avenue
CrossesAMTRAK Main Line
Location.2MI.NW Int 13 42G11
RouteState Highway 0
Coordinates39.81748, -75.42878
Functional classUrban Collector

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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length150 ft (45.7 m)
Longest span89 ft (27.1 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,228 (2023)
Projected traffic3,802 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 Blue Ball Avenue over AMTRAK Main Line built?

It was built in 1994, making it 31 years old in 2025.

What condition is Blue Ball Avenue over AMTRAK Main Line 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 August 2024.

How much traffic does Blue Ball Avenue over AMTRAK Main Line carry?

About 1,228 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Blue Ball Avenue over AMTRAK Main Line?

The structure is 150 ft (45.7 m) long with a longest span of 89 ft (27.1 m) and a deck 30 ft wide.

Who owns Blue Ball Avenue over AMTRAK Main Line?

It is owned by the State Highway Agency.