US Bridges

Hill Road over Threemile Run

Fair

Bucks County, Pennsylvania · East Rockhill Twp. 14E11 · Structure no. 000000000007519

Built
1930
95 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
300
2001 count
Owner
County
County Highway Agency

About this bridge

Hill Road over Threemile Run is a concrete tee beam carrying Hill Road over Threemile Run in Bucks County, Pennsylvania. It was built in 1930, so it is 95 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 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 140 by 2013. The structure is 38 ft (11.6 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHill Road
CrossesThreemile Run
LocationEast Rockhill Twp. 14E11
RouteCity Street 0
Coordinates40.38549, -75.30735
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2001)
Projected traffic140 by 2013
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hill Road over Threemile Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is Hill Road over Threemile 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 March 2024.

How much traffic does Hill Road over Threemile Run carry?

About 300 vehicles per day (2001 count), of which roughly 1% are trucks.

How long is Hill Road over Threemile Run?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 22 ft wide.

Who owns Hill Road over Threemile Run?

It is owned by the County Highway Agency.