US Bridges

Island Road over Delaware Canal

PoorPosted for load

Bucks County, Pennsylvania · Kintnersville · Structure no. 000000000007760

Built
1832
193 years old, rebuilt 1962
Condition
Poor
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
30
2012 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Island Road over Delaware Canal is a prestressed concrete box beam or girders - multiple carrying Island Road over Delaware Canal in Bucks County, Pennsylvania. It was built in 1832 and reconstructed in 1962, so it is 193 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 30 vehicles a day, projected to reach 40 by 2032. The structure is 54 ft (16.5 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIsland Road
CrossesDelaware Canal
LocationKintnersville
RouteState Lands Road 0
Coordinates40.5614, -75.1818
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating18 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span50 ft (15.2 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2012)
Projected traffic40 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Island Road over Delaware Canal built?

It was built in 1832, making it 193 years old in 2025. It was reconstructed in 1962.

What condition is Island Road over Delaware Canal 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 March 2024.

How much traffic does Island Road over Delaware Canal carry?

About 30 vehicles per day (2012 count).

How long is Island Road over Delaware Canal?

The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 18 ft wide.

Who owns Island Road over Delaware Canal?

It is owned by the State Park, Forest, or Reservation Agency.