US Bridges

Century Lane over Poquessing Creek

PoorPosted for load

Philadelphia County, Pennsylvania · E of Mechanicsville 10E10 · Structure no. 000000000039241

Built
1853
172 years old
Condition
Poor
inspected July 2024
Type
Arch - Deck
Masonry
Length
42 ft
2 main spans
Daily traffic
100
1981 count
Owner
City
City or Municipal Highway Agency

About this bridge

Century Lane over Poquessing Creek is a masonry arch - deck carrying Century Lane over Poquessing Creek in Philadelphia County, Pennsylvania. It was built in 1853, so it is 172 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 3 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 100 vehicles a day, projected to reach 100 by 1982. The structure is 42 ft (12.8 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCentury Lane
CrossesPoquessing Creek
LocationE of Mechanicsville 10E10
RouteCity Street 0
Coordinates40.10821, -74.96547
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
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1981)
Projected traffic100 by 1982
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$231,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Century Lane over Poquessing Creek built?

It was built in 1853, making it 172 years old in 2025.

What condition is Century Lane over Poquessing Creek 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 July 2024.

How much traffic does Century Lane over Poquessing Creek carry?

About 100 vehicles per day (1981 count).

How long is Century Lane over Poquessing Creek?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 23 ft wide.

Who owns Century Lane over Poquessing Creek?

It is owned by the City or Municipal Highway Agency.