US Bridges

Cambria & "a" Sts over Conrail

PoorPosted for load

Philadelphia County, Pennsylvania · Cambria & "a" Sts - 29A05 · Structure no. 000000000039097

Built
1916
109 years old
Condition
Poor
inspected March 2023
Type
Girder and Floorbeam System
Steel
Length
184 ft
1 main span
Daily traffic
3,200
1980 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cambria & "a" Sts over Conrail is a steel girder and floorbeam system carrying Cambria & "a" Sts over Conrail in Philadelphia County, Pennsylvania. It was built in 1916, so it is 109 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 3,200 vehicles a day, projected to reach 4,480 by 2000. The structure is 184 ft (56.1 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCambria & "a" Sts
CrossesConrail
LocationCambria & "a" Sts - 29A05
RouteCity Street 0
Coordinates39.99358, -75.12854
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckNot applicable
Main spans1 (+2 approach)
Design loadUnknown
Structure length184 ft (56.1 m)
Longest span81 ft (24.7 m)
Deck width50 ft (15.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (1980)
Projected traffic4,480 by 2000
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$305,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cambria & "a" Sts over Conrail built?

It was built in 1916, making it 109 years old in 2025.

What condition is Cambria & "a" Sts over Conrail in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Cambria & "a" Sts over Conrail carry?

About 3,200 vehicles per day (1980 count).

How long is Cambria & "a" Sts over Conrail?

The structure is 184 ft (56.1 m) long with a longest span of 81 ft (24.7 m) and a deck 50 ft wide.

Who owns Cambria & "a" Sts over Conrail?

It is owned by the City or Municipal Highway Agency.