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Bridge conditions in Northampton County, Pennsylvania

354 inventoried bridges · 29 rated poor · 2025 National Bridge Inventory

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

29 of the 354 bridges the federal inventory lists in Northampton County are rated poor; the rest split 113 good and 212 fair.

29 of the 354 bridges in Northampton County, Pennsylvania, are rated in poor condition (8.2%) in the 2025 National Bridge Inventory, as of August 20, 2026.
113 bridges (31.9%) are rated good and 212 (59.9%) fair.
The median Northampton County bridge was built in 1972.
The busiest poor-rated bridge is Pa 33 SB (LR1098) over Bushkill Creek (built 2004), carrying about 27,991 vehicles a day.

Good 31.9% · Fair 59.9% · Poor 8.2% of 354 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Pa 33 SB (LR1098) over Bushkill Creek	2004	27,991	Poor
Pa 33 NB(LR1098) over Bushkill Creek	2004	27,739	Poor
Pa 329 (lr 175) over Catasauqua Creek	1945	8,227	Poor
SR 512 (lr 165) over Martins Creek	1911	7,047	Poor
SR 2025 (lr 166) over Little Bushkill Creek	1929	7,017	Poor
SR2027 Hecktown Rd over US 22 (lr 772)	1954	6,287	Poor
SR 2017(LR 48019) over Schoeneck Creek	1942	5,435	Poor
Pa 611 (lr 166) over Slateford Creek	1909	2,941	Poor
SR 2006 (lr 48006) over Freys Run	1896	1,699	Poor
Male Road over Trib.to Bushkill Creek.	1960	1,384	Poor
SR 1016 (lr 48036) over Waltz Creek	1922	1,198	Poor
SR 1015 (lr 165) over Martins Creek	1911	1,002	Poor
SR 2001 (lr 48009) over East Branch Saucon Creek	1930	859	Poor
SR 1016 (lr 48036) over Trib.to Bushkill Creek	1927	858	Poor
Middletown Road over Nancy Run	1958	400	Poor
Columbus Street over Roseto Creek	1924	400	Poor
Keystone Street over Nancy Run	1930	400	Poor
Douglassville Rd. over Bushkill Creek	1984	200	Poor
Jacksonville Road over Monocacy Creek	1923	200	Poor
Canal Road over Delaware Canal	1832	200	Poor
N. Halbea St T805 over Catasauqua Creek	1987	200	Poor
Creamery Road over Bushkill Creek	1959	180	Poor
Depues Road over Oughoughton Creek	1937	150	Poor
T-701 over Jacoby Creek	1930	150	Poor
Cedar Drive over Indian Creek	1826	100	Poor
Glendon Hill Road over Lehigh River	1905	100	Poor
High St over Lehigh Canal + Norfork	1910	80	Poor
Stone Bridge Road over Hokendauqua Creek	1910	30	Poor
Seidersville Road over Saucon Creek	1936	–	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
US 22 (lr 772) over Pa 512(LR 48046)	1954	94,431	Fair
US 22 (lr 772) over Twp.line Rd.(t-434)	1954	94,335	Fair
US 22 (lr 772) over Christian Spring Rd.	1954	94,335	Fair
US 22 (lr 772) over Norfolk Southern RR	1954	94,335	Fair
US 22 (lr 772) over Pa 191 & Monocacy CR.	1954	94,335	Fair
US 22 (lr 772) over T-575(jacksonville Road)	1954	89,021	Fair
SR 33 (lr 1098SB) over SR 22(LR 772)	2017	52,169	Good
SR 33 (lr 1098NB) over SR 22 (lr 772)	2018	46,784	Good
Pa 33 over Farm Access	2001	46,590	Good
Pa 33 over River Canal Norf/south R	2001	46,590	Good

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

Every bridge in Northampton County → - all 354, busiest first, each with its own condition record.

All of Pennsylvania: Pennsylvania bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.