US Bridges

Plymouth Road over Plymouth Creek

Good

Montgomery County, Pennsylvania · 1/8 Mi. E. I-476 3368F03 · Structure no. 000000000052388

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
10,485
2024 count
Owner
State
State Highway Agency

About this bridge

Plymouth Road over Plymouth Creek is a prestressed concrete box beam or girders - multiple carrying Plymouth Road over Plymouth Creek in Montgomery 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 10,485 vehicles a day, roughly 6% of them trucks, projected to reach 19,599 by 2032. The structure is 32 ft (9.8 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPlymouth Road
CrossesPlymouth Creek
Location1/8 Mi. E. I-476 3368F03
RouteState Highway 0
Coordinates40.11025, -75.27828
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,485 (2024)
Projected traffic19,599 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Plymouth Road over Plymouth Creek built?

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

What condition is Plymouth Road over Plymouth Creek 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 August 2023.

How much traffic does Plymouth Road over Plymouth Creek carry?

About 10,485 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Plymouth Road over Plymouth Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns Plymouth Road over Plymouth Creek?

It is owned by the State Highway Agency.