US Bridges

Lock Street over Manayunk Canal

Good

Philadelphia County, Pennsylvania · West of Main Street · Structure no. 000000000052551

Built
2015
10 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lock Street over Manayunk Canal is a steel stringer/multi-beam or girder carrying Lock Street over Manayunk Canal in Philadelphia County, Pennsylvania. It was built in 2015, so it is 10 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 500 vehicles a day, projected to reach 610 by 2038. The structure is 37 ft (11.3 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLock Street
CrossesManayunk Canal
LocationWest of Main Street
RouteCity Street 0
Coordinates40.02308, -75.22017
Functional classUrban Local

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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width40 ft (12.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2018)
Projected traffic610 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollToll bridge
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lock Street over Manayunk Canal built?

It was built in 2015, making it 10 years old in 2025.

What condition is Lock Street over Manayunk Canal 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 December 2023.

How much traffic does Lock Street over Manayunk Canal carry?

About 500 vehicles per day (2018 count).

How long is Lock Street over Manayunk Canal?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 40 ft wide.

Who owns Lock Street over Manayunk Canal?

It is owned by the City or Municipal Highway Agency.