US Bridges

Seidersville Road over Saucon Creek

PoorClosed to traffic

Northampton County, Pennsylvania · 0.2 Miles West of Pa 412 · Structure no. 000000000028904

Built
1936
89 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
135 ft
1 main span
Daily traffic
—
2010 count
Owner
County
County Highway Agency

About this bridge

Seidersville Road over Saucon Creek is a steel truss - thru carrying Seidersville Road over Saucon Creek in Northampton County, Pennsylvania. It was built in 1936, so it is 89 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 1 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: closed to all traffic.

No traffic count is recorded. The structure is 135 ft (41.1 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSeidersville Road
CrossesSaucon Creek
Location0.2 Miles West of Pa 412
RouteCity Street 0
Coordinates40.59102, -75.3477
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.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length135 ft (41.1 m)
Longest span131 ft (39.9 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$734,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Seidersville Road over Saucon Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Seidersville Road over Saucon 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 2024.

How much traffic does Seidersville Road over Saucon Creek carry?

No traffic count is recorded for this structure.

How long is Seidersville Road over Saucon Creek?

The structure is 135 ft (41.1 m) long with a longest span of 131 ft (39.9 m) and a deck 21 ft wide.

Who owns Seidersville Road over Saucon Creek?

It is owned by the County Highway Agency.