US Bridges

Center Street over Coplay Creek

Fair

Lehigh County, Pennsylvania · SW Coplay · Structure no. 000000000023427

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
1,000
2015 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Center Street over Coplay Creek is a prestressed concrete box beam or girders - multiple carrying Center Street over Coplay Creek in Lehigh County, Pennsylvania. It was built in 1960, so it is 65 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,400 by 2035. The structure is 42 ft (12.8 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCenter Street
CrossesCoplay Creek
LocationSW Coplay
RouteCity Street 0
Coordinates40.66096, -75.50879
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width50 ft (15.2 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2015)
Projected traffic1,400 by 2035
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Center Street over Coplay Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Center Street over Coplay Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Center Street over Coplay Creek carry?

About 1,000 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Center Street over Coplay Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.

Who owns Center Street over Coplay Creek?

It is owned by the Town or Township Highway Agency.