US Bridges

Trumbauersville RD over Unami Creek

Poor

Bucks County, Pennsylvania · .1MI.E.PA.TPK.NE. 12K09 · Structure no. 000000000007421

Built
1929
96 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete
Length
132 ft
3 main spans
Daily traffic
1,665
2024 count
Owner
State
State Highway Agency

About this bridge

Trumbauersville RD over Unami Creek is a concrete tee beam carrying Trumbauersville RD over Unami Creek in Bucks County, Pennsylvania. It was built in 1929, so it is 96 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 1,665 vehicles a day, roughly 6% of them trucks, projected to reach 1,943 by 2032. The structure is 132 ft (40.2 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesTrumbauersville RD
CrossesUnami Creek
Location.1MI.E.PA.TPK.NE. 12K09
RouteState Highway 0
Coordinates40.39715, -75.40866
Functional classRural Minor Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length132 ft (40.2 m)
Longest span41 ft (12.5 m)
Deck width26 ft (8 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,665 (2024)
Projected traffic1,943 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Trumbauersville RD over Unami Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is Trumbauersville RD over Unami 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 2023.

How much traffic does Trumbauersville RD over Unami Creek carry?

About 1,665 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Trumbauersville RD over Unami Creek?

The structure is 132 ft (40.2 m) long with a longest span of 41 ft (12.5 m) and a deck 26 ft wide.

Who owns Trumbauersville RD over Unami Creek?

It is owned by the State Highway Agency.