US Bridges

Pa Tpk (I-276) over T-346 Blomsdal RD

Poor

Bucks County, Pennsylvania · East of Delaware Val Intg · Structure no. 000000000007680

Built
1954
71 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
46,280
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-276) over T-346 Blomsdal RD is a steel stringer/multi-beam or girder carrying Pa Tpk (I-276) over T-346 Blomsdal RD in Bucks County, Pennsylvania. It was built in 1954, so it is 71 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.

It carries about 46,280 vehicles a day, roughly 15% of them trucks, projected to reach 63,109 by 2030. The structure is 100 ft (30.5 m) long and 105 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPa Tpk (I-276)
CrossesT-346 Blomsdal RD
LocationEast of Delaware Val Intg
RouteInterstate 276
Coordinates40.12333, -74.85
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span95 ft (29 m)
Deck width105 ft (31.9 m)
Roadway width105 ft (31.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,280 (2004)
Projected traffic63,109 by 2030
Trucks15%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$918,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-276) over T-346 Blomsdal RD built?

It was built in 1954, making it 71 years old in 2025.

What condition is Pa Tpk (I-276) over T-346 Blomsdal RD 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 April 2024.

How much traffic does Pa Tpk (I-276) over T-346 Blomsdal RD carry?

About 46,280 vehicles per day (2004 count), of which roughly 15% are trucks.

How long is Pa Tpk (I-276) over T-346 Blomsdal RD?

The structure is 100 ft (30.5 m) long with a longest span of 95 ft (29 m) and a deck 105 ft wide.

Who owns Pa Tpk (I-276) over T-346 Blomsdal RD?

It is owned by the State Toll Authority.