Bridge conditions in Northampton County, Pennsylvania
354 inventoried bridges · 29 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
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 .
- 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.
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.