US Bridges

Pa 145 (lr 555) over Sumner Ave.

Fair

Lehigh County, Pennsylvania · Over Sumner Ave. · Structure no. 000000000023111

Built
1960
65 years old, rebuilt 1989
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
259 ft
4 main spans
Daily traffic
63,939
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 145 (lr 555) over Sumner Ave. is a steel continuous stringer/multi-beam or girder carrying Pa 145 (lr 555) over Sumner Ave. in Lehigh County, Pennsylvania. It was built in 1960 and reconstructed in 1989, 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 63,939 vehicles a day, roughly 1% of them trucks, projected to reach 46,849 by 2032. The structure is 259 ft (78.9 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPa 145 (lr 555)
CrossesSumner Ave.
LocationOver Sumner Ave.
RouteState Highway 145
CountyLehigh County
StatePennsylvania
Coordinates40.61685, -75.47868
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length259 ft (78.9 m)
Longest span74 ft (22.6 m)
Deck width63 ft (19.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,939 (2024)
Projected traffic46,849 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 145 (lr 555) over Sumner Ave. built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1989.

What condition is Pa 145 (lr 555) over Sumner Ave. 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 145 (lr 555) over Sumner Ave. carry?

About 63,939 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Pa 145 (lr 555) over Sumner Ave.?

The structure is 259 ft (78.9 m) long with a longest span of 74 ft (22.6 m) and a deck 63 ft wide.

Who owns Pa 145 (lr 555) over Sumner Ave.?

It is owned by the State Highway Agency.