US Bridges

"b" & Somerset Sts over Conrail (richmond Br)

Fair

Philadelphia County, Pennsylvania · "b"& Somerset STS.3590-K2 · Structure no. 000000000039202

Built
1985
40 years old
Condition
Fair
inspected February 2023
Type
Arch - Thru
Steel
Length
112 ft
1 main span
Daily traffic
5,400
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

"b" & Somerset Sts over Conrail (richmond Br) is a steel arch - thru carrying "b" & Somerset Sts over Conrail (richmond Br) in Philadelphia County, Pennsylvania. It was built in 1985, so it is 40 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,400 vehicles a day, roughly 3% of them trucks, projected to reach 6,900 by 2032. The structure is 112 ft (34.1 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries"b" & Somerset Sts
CrossesConrail (richmond Br)
Location"b"& Somerset STS.3590-K2
RouteCity Street 0
Coordinates39.99192, -75.12677
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating55 US tons
Inventory rating38 US tons

Structure

Structure typeArch - Thru
MaterialSteel
DeckClosed grating
Main spans1
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span104 ft (31.7 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic5,400 (2012)
Projected traffic6,900 by 2032
Trucks3%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was "b" & Somerset Sts over Conrail (richmond Br) built?

It was built in 1985, making it 40 years old in 2025.

What condition is "b" & Somerset Sts over Conrail (richmond Br) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does "b" & Somerset Sts over Conrail (richmond Br) carry?

About 5,400 vehicles per day (2012 count), of which roughly 3% are trucks.

How long is "b" & Somerset Sts over Conrail (richmond Br)?

The structure is 112 ft (34.1 m) long with a longest span of 104 ft (31.7 m) and a deck 43 ft wide.

Who owns "b" & Somerset Sts over Conrail (richmond Br)?

It is owned by the City or Municipal Highway Agency.