US Bridges

Silo Hill Road over North Br Neshaminy Creek

PoorPosted for load

Bucks County, Pennsylvania · 0.5 M W SR611 Adc 2922-G3 · Structure no. 000000000007535

Built
1902
123 years old, rebuilt 1934
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
71 ft
1 main span
Daily traffic
50
2001 count
Owner
County
County Highway Agency

About this bridge

Silo Hill Road over North Br Neshaminy Creek is a steel truss - thru carrying Silo Hill Road over North Br Neshaminy Creek in Bucks County, Pennsylvania. It was built in 1902 and reconstructed in 1934, so it is 123 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 140 by 2011. The structure is 71 ft (21.6 m) long and 15 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSilo Hill Road
CrossesNorth Br Neshaminy Creek
Location0.5 M W SR611 Adc 2922-G3
RouteCity Street 0
Coordinates40.36007, -75.14724
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating17 US tons
Inventory rating10 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span65 ft (19.8 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2001)
Projected traffic140 by 2011
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$677,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Silo Hill Road over North Br Neshaminy Creek built?

It was built in 1902, making it 123 years old in 2025. It was reconstructed in 1934.

What condition is Silo Hill Road over North Br Neshaminy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Silo Hill Road over North Br Neshaminy Creek carry?

About 50 vehicles per day (2001 count).

How long is Silo Hill Road over North Br Neshaminy Creek?

The structure is 71 ft (21.6 m) long with a longest span of 65 ft (19.8 m) and a deck 15 ft wide.

Who owns Silo Hill Road over North Br Neshaminy Creek?

It is owned by the County Highway Agency.