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Bridge conditions in Dauphin County, Pennsylvania

448 inventoried bridges · 41 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

41 of the 448 bridges the federal inventory lists in Dauphin County are rated poor; the rest split 96 good and 311 fair.

Good 21.4% · Fair 69.4% · Poor 9.2% of 448 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.

BridgeBuiltVehicles/dayCondition
SR 0083; I-83 over Susq.river;r.r.lowther S196089,499Poor
US 22; SR 0022 over Susquehanna River198628,506Poor
Pa 230; SR 0230 over Asylum Run195022,619Poor
SR 3009 Paxton St over Norfolk Southern RR192918,893Poor
SR 3012 over Spring Creek193814,239Poor
SR 2019 S.Nyes Rd. over Beaver Creek198412,843Poor
SR 3012 West Spans over Susquehanna River (west)192811,556Poor
SR 3007 over Norfolk Southern19659,129Poor
Market Street over Paxton Creek19008,000Poor
SR 3009 over Fishing Creek19107,944Poor
13TH Street over Norfolk Southern19657,500Poor
Pa 147; S.river Rd over Powells Creek18606,935Poor
SR 3024 Locust Ln. over Trib to Beaver Creek19596,558Poor
US 209; SR 0209 over Wiconisco Creek19745,740Poor
PA 147; Market st. over Shippen Run19204,055Poor
SR 2042;TWP Rd 337 over SR 303219763,003Poor
SR 4002 Luexumburg over Trib to Deep Creek19912,214Poor
Maclay St. /turnbk over Norfolk Southern RR19402,176Poor
SR 2012 over NS Railroad19172,042Poor
SR 2011 Bachville over Branch of Spring Creek19201,985Poor
Mulberry St Harri over Paxton Creek19601,500Poor
Mulberry Street over Paxton Creek1940900Poor
Crums Mill Rd T432 over Paxton Creek1950750Poor
SR 2005 Roundtop R over Iron Mine Run1934696Poor
SR 4001 over Armstrong Creek1974522Poor
SR 1007 over Wiconisco Creek1973519Poor
Kohn Road T-431 over Paxton Creek1987450Poor
SR 4013 over W.branch Rattling Creek1974372Poor
SR 4013 over Rattling Creek1937372Poor
SR 4013 over Rattling Creek1974372Poor
SR 4013 over Rattling Creek1973372Poor
SR 4002 Luxemburg over Pine Creek1860320Poor
SR 4006 over Armstrong Creek1920312Poor
Devonshire Heights over Manada Creek1980300Poor
SR 1017 Honeymoon over Trib to Pine Creek1910253Poor
Under State St-har over Paxton Creek1940200Poor
Walnut St over Jonestown Road Harrisbur1914200Poor
So.malta Rd. T-482 over Mahantango Creek1973100Poor
West Cross Rd T535 over N Fork Powell Creek197675Poor
S. Meadow Ln. T471 over Manada Creek193050Poor
Deibler Gap T-474 over Mahantango Creek1900Poor

Busiest bridges in the county

BridgeBuiltVehicles/dayCondition
I-83; SR 0083 over Twp Rd 369 & Sprng Crk.r195391,219Fair
I-83; SR 0083 over Twp Rd 392 Peiffer Lane199491,219Fair
SR 0083; I-83 over Susq.river;r.r.lowther S196089,499Poor
I-83; SR 0083 over Pa 230;NS;RP B C;front196089,209Fair
I-83; SR 0083 over T-411; Londonderry Rd202184,491Good
I-83; SR 0083 over T-586; Megoulas Blvd.202184,491Good
I-83; SR 0083 over SR 3024; Locust Lane202184,491Good
I-83; SR 0083 over SR 3010 & 16TH. St.196181,885Fair
I-83; SR 0083 over 17TH St196181,885Fair
I-81; SR 0081 over Trib Paxton Creek196981,142Fair

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.