US Bridges

Smith Road over Robin Run

PoorPosted for load

Bucks County, Pennsylvania · 2 MI S SR413 Adc 3036-E6 · Structure no. 000000000007524

Built
1927
98 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
100
1998 count
Owner
County
County Highway Agency

About this bridge

Smith Road over Robin Run is a steel stringer/multi-beam or girder carrying Smith Road over Robin Run in Bucks County, Pennsylvania. It was built in 1927, so it is 98 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 140 by 2011. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSmith Road
CrossesRobin Run
Location2 MI S SR413 Adc 3036-E6
RouteCity Street 0
Coordinates40.2767, -75.0326
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1998)
Projected traffic140 by 2011
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$59,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Road over Robin Run built?

It was built in 1927, making it 98 years old in 2025.

What condition is Smith Road over Robin Run 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 May 2024.

How much traffic does Smith Road over Robin Run carry?

About 100 vehicles per day (1998 count), of which roughly 5% are trucks.

How long is Smith Road over Robin Run?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns Smith Road over Robin Run?

It is owned by the County Highway Agency.