US Bridges

Post Road over Marcus Hook Creek

Fair

Delaware County, Pennsylvania · Marcus Hook 42K10 · Structure no. 000000000014827

Built
1988
37 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
6,479
2024 count
Owner
State
State Highway Agency

About this bridge

Post Road over Marcus Hook Creek is a steel stringer/multi-beam or girder carrying Post Road over Marcus Hook Creek in Delaware County, Pennsylvania. It was built in 1988, so it is 37 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 6 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 6,479 vehicles a day, roughly 7% of them trucks, projected to reach 9,351 by 2032. The structure is 42 ft (12.8 m) long and 57 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPost Road
CrossesMarcus Hook Creek
LocationMarcus Hook 42K10
RouteU.S. Route 13
Coordinates39.82235, -75.40997
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width57 ft (17.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,479 (2024)
Projected traffic9,351 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Post Road over Marcus Hook Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Post Road over Marcus Hook Creek 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 March 2024.

How much traffic does Post Road over Marcus Hook Creek carry?

About 6,479 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Post Road over Marcus Hook Creek?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 57 ft wide.

Who owns Post Road over Marcus Hook Creek?

It is owned by the State Highway Agency.