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I 78(LR 443) over T-501(old 22)

Lehigh County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

I 78(LR 443) over T-501(old 22) in Lehigh County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1958 and reconstructed in 2005, making it 67 years old at the 2025 inventory.
It carries about 38,707 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 224 of the 378 inventoried bridges in Lehigh County rated fair (59.3%); 41 (10.8%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 224 ft
Location	New Smithville
NBI structure number	000000000022990
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.

Bridge	Built	Vehicles/day	Condition
I-78(LR 1045) over Pa 100(LR 672)	1958	126,705	Fair
I 78(LR 1045) over Norfolk/southern RR	1988	126,705	Fair
I-78 (lr 1045) over SR 3009 (ruppsville Rd)	1988	126,705	Good
US 22(LR 771) over T-638(irving St.)	1952	92,608	Good
US 22 (lr 771) over Lehigh River	2017	92,608	Good
US 22 (lr 771) over Leh. Canal SR 1007 NSR	2017	92,608	Good