US Bridges

Pa 100(LR 486) over Trib. Swope Creek

Fair

Lehigh County, Pennsylvania · Main Street Macungie · Structure no. 000000000023082

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
13,761
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 100(LR 486) over Trib. Swope Creek is a prestressed concrete box beam or girders - multiple carrying Pa 100(LR 486) over Trib. Swope 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 5 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 13,761 vehicles a day, roughly 6% of them trucks, projected to reach 24,921 by 2032. The structure is 23 ft (7 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPa 100(LR 486)
CrossesTrib. Swope Creek
LocationMain Street Macungie
RouteState Highway 100
CountyLehigh County
StatePennsylvania
Coordinates40.51438, -75.55288
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width76 ft (23.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,761 (2024)
Projected traffic24,921 by 2032
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Pa 100(LR 486) over Trib. Swope Creek built?

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

What condition is Pa 100(LR 486) over Trib. Swope 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 July 2024.

How much traffic does Pa 100(LR 486) over Trib. Swope Creek carry?

About 13,761 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Pa 100(LR 486) over Trib. Swope Creek?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 76 ft wide.

Who owns Pa 100(LR 486) over Trib. Swope Creek?

It is owned by the State Highway Agency.