Bridge conditions in McKean County, Pennsylvania
226 inventoried bridges · 40 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 6 bridges in McKean County is rated in poor condition: 40 of 226 on the federal inventory, one of the higher shares in Pennsylvania.
- 40 of the 226 bridges in McKean County, Pennsylvania, are rated in poor condition (17.7%) in the 2025 National Bridge Inventory, as of .
- 101 bridges (44.7%) are rated good and 85 (37.6%) fair.
- The median McKean County bridge was built in 1987.
- The busiest poor-rated bridge is SR 46-pa 46 over Tunungwant Creek (built 1973), carrying about 4,989 vehicles a day.
Good 44.7% · Fair 37.6% · Poor 17.7% of 226 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 |
|---|---|---|---|
| SR 46-pa 46 over Tunungwant Creek | 1973 | 4,989 | Poor |
| SR 4013 over Bolivar Run | 1936 | 4,769 | Poor |
| SR 6-us 6 over Iron Hollow Run | 1921 | 2,049 | Poor |
| Barbour St over Bennett Brook | 1955 | 1,200 | Poor |
| SR 246-pa 246 over Kendall Creek | 1954 | 1,106 | Poor |
| SR 646-pa 646 over Pennbrook Run | 1930 | 1,044 | Poor |
| Campus Drive over Bennett Brook | 1955 | 1,000 | Poor |
| on Tsr 405 over Fowler Brook | 1941 | 805 | Poor |
| Davis Street over W Br Tunungwant Creek | 1959 | 800 | Poor |
| SR 346-pa 346 over Willow Creek | 1940 | 520 | Poor |
| SR 1006 over Kings Run | 1945 | 497 | Poor |
| T-385 Valley Cross over Potato Creek | 1888 | 450 | Poor |
| Willard Avenue over Bennett Brook | 1978 | 425 | Poor |
| Arnold Avenue over Lillibridge Creek | 1957 | 400 | Poor |
| SR 46-pa 46 over Colegrove Brook | 1927 | 395 | Poor |
| T-389 Sartwell Rd over Newell Creek | 1982 | 280 | Poor |
| T-336 High Street over Minard Run | 1931 | 250 | Poor |
| Lincoln Drive over Lewis Run | 1950 | 200 | Poor |
| T-375 Crosby Cross over Potato Creek | 1988 | 160 | Poor |
| T615 Crookerhouse over W Br Tunungwant Creek | 1910 | 150 | Poor |
| T-499 Clarks Lane over W Br Tunungwant Creek | 1955 | 150 | Poor |
| Harrisburg Run Rd over Harrisburg Run | 1920 | 150 | Poor |
| SR 3002 over Two Mile Run | 1941 | 128 | Poor |
| SR 4011 over Bennett Brook | 1940 | 100 | Poor |
| T-462 Boss Ave over Bennett Brook | 1955 | 100 | Poor |
| T433 Barbertown Rd over King Run | 1960 | 100 | Poor |
| T-349 Bordell Rd over Cole Creek | 1915 | 75 | Poor |
| T-576 Bj Road over Foster Brook | 1980 | 70 | Poor |
| T-300 West Kane Rd over East Br Tionesta Creek | 1960 | 50 | Poor |
| T-470 Gardeau Road over Half Mile Run | 1950 | 40 | Poor |
| T-384 Brooklyn St over Knapp Creek | 1890 | 40 | Poor |
| Langley Drive over Minard Run | 1997 | 35 | Poor |
| T325 Marvindale Rd over Marvin Creek | 1938 | 30 | Poor |
| T-402 Cady Run Rd over Portage Creek | 1908 | 25 | Poor |
| SR 3003 over Lanigan Run | 1948 | 23 | Poor |
| T-374 Clark Street over S Br Knapp Creek | 1955 | 20 | Poor |
| North 4TH Street over Foster Brook | 1980 | 10 | Poor |
| T387 Berger Hollow over S Br Knapp Creek | 1950 | 10 | Poor |
| Fr 186 over S. Br. Kinzua Creek | 1962 | 10 | Poor |
| T-437 Delmar Road over Oswayo Creek | 1908 | – | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 219-us 219 over SR 346 and SR 4013 | 1977 | 11,194 | Fair |
| SR 219-us 219 over SR 4002 | 2003 | 9,406 | Good |
| SR 219-us 219 over Sheppard Run | 1992 | 8,523 | Good |
| SR 219-us 219 over Mill St - B&p Railroad | 2006 | 8,482 | Good |
| SR 346-pa 346 over Tunungwant Creek | 1997 | 8,402 | Fair |
| SR 346-pa 346 over West Branch Tunungwant C | 1905 | 7,876 | Fair |
| on Tsr 601 over Foster Brook | 1960 | 7,564 | Fair |
| SR 4005 over Kendall Creek | 2003 | 7,554 | Good |
| on Foreman Street over Tunungwant Creek | 1963 | 7,296 | Fair |
| SR 219-us 219 over Mill St - B&p Railroad | 2007 | 7,217 | 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.