US Bridges

Swamp Road over Pine Run

Fair

Bucks County, Pennsylvania · .5MI.N.DOYLESTOWN 22K08 · Structure no. 000000000006984

Built
1941
84 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
39 ft
1 main span
Daily traffic
19,355
2023 count
Owner
State
State Highway Agency

About this bridge

Swamp Road over Pine Run is a concrete tee beam carrying Swamp Road over Pine Run in Bucks County, Pennsylvania. It was built in 1941, so it is 84 years old, older 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 19,355 vehicles a day, roughly 5% of them trucks, projected to reach 21,777 by 2032. The structure is 39 ft (11.9 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSwamp Road
CrossesPine Run
Location.5MI.N.DOYLESTOWN 22K08
RouteState Highway 313
CountyBucks County
StatePennsylvania
Coordinates40.33427, -75.13954
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length39 ft (11.9 m)
Longest span38 ft (11.6 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,355 (2023)
Projected traffic21,777 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$143,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Swamp Road over Pine Run built?

It was built in 1941, making it 84 years old in 2025.

What condition is Swamp Road over Pine Run 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 September 2024.

How much traffic does Swamp Road over Pine Run carry?

About 19,355 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Swamp Road over Pine Run?

The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 40 ft wide.

Who owns Swamp Road over Pine Run?

It is owned by the State Highway Agency.