US Bridges

U.S. Route 13 over Tyburn Road

Poor

Bucks County, Pennsylvania · 2MI.S.MORRISVILL 38H09 · Structure no. 000000000006773

Built
1954
71 years old, rebuilt 2005
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
148 ft
3 main spans
Daily traffic
24,470
2024 count
Owner
State
State Highway Agency

About this bridge

U.S. Route 13 over Tyburn Road is a steel stringer/multi-beam or girder carrying U.S. Route 13 over Tyburn Road in Bucks County, Pennsylvania. It was built in 1954 and reconstructed in 2005, 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 24,470 vehicles a day, roughly 14% of them trucks, projected to reach 31,068 by 2032. The structure is 148 ft (45.1 m) long and 77 ft wide.

Location

Open in Google Maps
CarriesU.S. Route 13
CrossesTyburn Road
Location2MI.S.MORRISVILL 38H09
RouteU.S. Route 13
CountyBucks County
StatePennsylvania
Coordinates40.18116, -74.80906
Functional classUrban Principal Arterial - Other Freeway or Expressway

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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span75 ft (22.9 m)
Deck width77 ft (23.6 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,470 (2024)
Projected traffic31,068 by 2032
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. Route 13 over Tyburn Road built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2005.

What condition is U.S. Route 13 over Tyburn Road 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 February 2023.

How much traffic does U.S. Route 13 over Tyburn Road carry?

About 24,470 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is U.S. Route 13 over Tyburn Road?

The structure is 148 ft (45.1 m) long with a longest span of 75 ft (22.9 m) and a deck 77 ft wide.

Who owns U.S. Route 13 over Tyburn Road?

It is owned by the State Highway Agency.