US Bridges

Durham Road over Cabin Run

Fair

Bucks County, Pennsylvania · .5MILES LR-09060 16K05 · Structure no. 000000000007038

Built
1938
87 years old
Condition
Fair
inspected October 2022
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
3,841
2023 count
Owner
State
State Highway Agency

About this bridge

Durham Road over Cabin Run is a concrete tee beam carrying Durham Road over Cabin Run in Bucks County, Pennsylvania. It was built in 1938, so it is 87 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 3,841 vehicles a day, roughly 16% of them trucks, projected to reach 6,024 by 2032. The structure is 28 ft (8.5 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesDurham Road
CrossesCabin Run
Location.5MILES LR-09060 16K05
RouteState Highway 413
CountyBucks County
StatePennsylvania
Coordinates40.41887, -75.13745
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be 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 loadHS 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,841 (2023)
Projected traffic6,024 by 2032
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$106,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Durham Road over Cabin Run built?

It was built in 1938, making it 87 years old in 2025.

What condition is Durham Road over Cabin 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 October 2022.

How much traffic does Durham Road over Cabin Run carry?

About 3,841 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Durham Road over Cabin Run?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 33 ft wide.

Who owns Durham Road over Cabin Run?

It is owned by the State Highway Agency.