US Bridges

Chestnut Street over Amtrak;sch EXPWY&30th ST

Good

Philadelphia County, Pennsylvania · At 30th Street 3590 A08 · Structure no. 000000000038380

Built
1934
91 years old, rebuilt 2019
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
634 ft
10 main spans
Daily traffic
19,950
2024 count
Owner
State
State Highway Agency

About this bridge

Chestnut Street over Amtrak;sch EXPWY&30th ST is a steel stringer/multi-beam or girder carrying Chestnut Street over Amtrak;sch EXPWY&30th ST in Philadelphia County, Pennsylvania. It was built in 1934 and reconstructed in 2019, so it is 91 years old, older 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 19,950 vehicles a day, roughly 2% of them trucks, projected to reach 20,191 by 2032. The structure is 634 ft (193.2 m) long and 88 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesChestnut Street
CrossesAmtrak;sch EXPWY&30th ST
LocationAt 30th Street 3590 A08
RouteState Highway 3
Coordinates39.95318, -75.18248
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans10 (+1 approach)
Design loadHS 20
Structure length634 ft (193.2 m)
Longest span80 ft (24.4 m)
Deck width88 ft (26.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,950 (2024)
Projected traffic20,191 by 2032
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost$17 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Chestnut Street over Amtrak;sch EXPWY&30th ST built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2019.

What condition is Chestnut Street over Amtrak;sch EXPWY&30th ST 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 June 2024.

How much traffic does Chestnut Street over Amtrak;sch EXPWY&30th ST carry?

About 19,950 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Chestnut Street over Amtrak;sch EXPWY&30th ST?

The structure is 634 ft (193.2 m) long with a longest span of 80 ft (24.4 m) and a deck 88 ft wide.

Who owns Chestnut Street over Amtrak;sch EXPWY&30th ST?

It is owned by the State Highway Agency.