US Bridges

Pa 423 over I-380

Poor

Monroe County, Pennsylvania · Pa. 423 Exit · Structure no. 000000000026844

Built
1969
56 years old, rebuilt 1997
Condition
Poor
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
230 ft
5 main spans
Daily traffic
4,720
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 423 over I-380 is a prestressed concrete box beam or girders - multiple carrying Pa 423 over I-380 in Monroe County, Pennsylvania. It was built in 1969 and reconstructed in 1997, so it is 56 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 4,720 vehicles a day, roughly 12% of them trucks, projected to reach 6,273 by 2032. The structure is 230 ft (70.1 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesPa 423
CrossesI-380
LocationPa. 423 Exit
RouteState Highway 423
Coordinates41.17383, -75.42834
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length230 ft (70.1 m)
Longest span60 ft (18.3 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,720 (2024)
Projected traffic6,273 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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 423 over I-380 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1997.

What condition is Pa 423 over I-380 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 September 2023.

How much traffic does Pa 423 over I-380 carry?

About 4,720 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Pa 423 over I-380?

The structure is 230 ft (70.1 m) long with a longest span of 60 ft (18.3 m) and a deck 44 ft wide.

Who owns Pa 423 over I-380?

It is owned by the State Highway Agency.