US Bridges

Bethlehem Pike over Three Mile Run

Fair

Bucks County, Pennsylvania · 1MI.N. Sellrsville 14D12 · Structure no. 000000000007385

Built
1936
89 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
22 ft
1 main span
Daily traffic
9,840
2024 count
Owner
State
State Highway Agency

About this bridge

Bethlehem Pike over Three Mile Run is a concrete tee beam carrying Bethlehem Pike over Three Mile Run in Bucks County, Pennsylvania. It was built in 1936, so it is 89 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 9,840 vehicles a day, roughly 5% of them trucks, projected to reach 10,484 by 2032. The structure is 22 ft (6.7 m) long and 50 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesBethlehem Pike
CrossesThree Mile Run
Location1MI.N. Sellrsville 14D12
RouteState Highway 0
CountyBucks County
StatePennsylvania
Coordinates40.38047, -75.31665
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width50 ft (15.3 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,840 (2024)
Projected traffic10,484 by 2032
Trucks5%
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$340,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bethlehem Pike over Three Mile Run built?

It was built in 1936, making it 89 years old in 2025.

What condition is Bethlehem Pike over Three Mile 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 April 2023.

How much traffic does Bethlehem Pike over Three Mile Run carry?

About 9,840 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Bethlehem Pike over Three Mile Run?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 50 ft wide.

Who owns Bethlehem Pike over Three Mile Run?

It is owned by the State Highway Agency.