US Bridges

Seton Road over Allegheny Creek

PoorPosted for load

Berks County, Pennsylvania · 200 Ft. E. of Route 10 · Structure no. 000000000005448

Built
1970
55 years old
Condition
Poor
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
200
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Seton Road over Allegheny Creek is a prestressed concrete box beam or girders - multiple carrying Seton Road over Allegheny Creek in Berks County, Pennsylvania. It was built in 1970, so it is 55 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 230 by 2030. The structure is 59 ft (18 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSeton Road
CrossesAllegheny Creek
Location200 Ft. E. of Route 10
RouteCity Street 0
Coordinates40.25665, -75.91079
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating0 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length59 ft (18 m)
Longest span58 ft (17.7 m)
Deck width42 ft (12.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2010)
Projected traffic230 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Seton Road over Allegheny Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Seton Road over Allegheny 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 March 2024.

How much traffic does Seton Road over Allegheny Creek carry?

About 200 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Seton Road over Allegheny Creek?

The structure is 59 ft (18 m) long with a longest span of 58 ft (17.7 m) and a deck 42 ft wide.

Who owns Seton Road over Allegheny Creek?

It is owned by the Town or Township Highway Agency.