US Bridges

Quarry Street over Coplay Creek

Poor

Lehigh County, Pennsylvania · South of Pa 329 · Structure no. 000000000023468

Built
1920
105 years old, rebuilt 1992
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
300
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Quarry Street over Coplay Creek is a steel stringer/multi-beam or girder carrying Quarry Street over Coplay Creek in Lehigh County, Pennsylvania. It was built in 1920 and reconstructed in 1992, so it is 105 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2021. The structure is 27 ft (8.2 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesQuarry Street
CrossesCoplay Creek
LocationSouth of Pa 329
RouteCity Street 0
Coordinates40.67259, -75.54447
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2011)
Projected traffic400 by 2021
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$213,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Quarry Street over Coplay Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1992.

What condition is Quarry Street over Coplay 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 October 2023.

How much traffic does Quarry Street over Coplay Creek carry?

About 300 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Quarry Street over Coplay Creek?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 35 ft wide.

Who owns Quarry Street over Coplay Creek?

It is owned by the Town or Township Highway Agency.