US Bridges

Market Street over AMTRAK

Good

Delaware County, Pennsylvania · 1 Mile South 322 42H10 · Structure no. 000000000056687

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
343 ft
4 main spans
Daily traffic
7,784
2024 count
Owner
State
State Highway Agency

About this bridge

Market Street over AMTRAK is a prestressed concrete continuous box beam or girders - multiple carrying Market Street over AMTRAK in Delaware County, Pennsylvania. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,784 vehicles a day, roughly 7% of them trucks, projected to reach 10,163 by 2032. The structure is 343 ft (104.5 m) long and 58 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMarket Street
CrossesAMTRAK
Location1 Mile South 322 42H10
RouteState Highway 452
Coordinates39.821, -75.4183
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length343 ft (104.5 m)
Longest span106 ft (32.3 m)
Deck width58 ft (17.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,784 (2024)
Projected traffic10,163 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Market Street over AMTRAK built?

It was built in 2019, making it 6 years old in 2025.

What condition is Market Street over AMTRAK 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 May 2023.

How much traffic does Market Street over AMTRAK carry?

About 7,784 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Market Street over AMTRAK?

The structure is 343 ft (104.5 m) long with a longest span of 106 ft (32.3 m) and a deck 58 ft wide.

Who owns Market Street over AMTRAK?

It is owned by the State Highway Agency.