US Bridges

Pa 329-LR175 over Quarry

Good

Northampton County, Pennsylvania · Nor-Bath Boulevard · Structure no. 000000000041352

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
1 main span
Daily traffic
13,770
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 329-LR175 over Quarry is a steel stringer/multi-beam or girder carrying Pa 329-LR175 over Quarry in Northampton County, Pennsylvania. It was built in 2001, so it is 24 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,770 vehicles a day, roughly 8% of them trucks, projected to reach 15,086 by 2036. The structure is 128 ft (39 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPa 329-LR175
CrossesQuarry
LocationNor-Bath Boulevard
RouteState Highway 329
Coordinates40.69529, -75.48353
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101 US tons
Inventory rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length128 ft (39 m)
Longest span123 ft (37.5 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,770 (2024)
Projected traffic15,086 by 2036
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 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 329-LR175 over Quarry built?

It was built in 2001, making it 24 years old in 2025.

What condition is Pa 329-LR175 over Quarry in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Pa 329-LR175 over Quarry carry?

About 13,770 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Pa 329-LR175 over Quarry?

The structure is 128 ft (39 m) long with a longest span of 123 ft (37.5 m) and a deck 42 ft wide.

Who owns Pa 329-LR175 over Quarry?

It is owned by the State Highway Agency.