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Bridge conditions in Lawrence County, Pennsylvania

266 inventoried bridges · 30 rated poor · 2025 National Bridge Inventory

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

About one in 9 bridges in Lawrence County is rated in poor condition: 30 of 266 on the federal inventory, one of the higher shares in Pennsylvania.

30 of the 266 bridges in Lawrence County, Pennsylvania, are rated in poor condition (11.3%) in the 2025 National Bridge Inventory, as of August 20, 2026.
126 bridges (47.4%) are rated good and 110 (41.4%) fair.
The median Lawrence County bridge was built in 1986.
The busiest poor-rated bridge is East Washington St over Neshannock Creek (built 1909), carrying about 18,779 vehicles a day.

Good 47.4% · Fair 41.4% · Poor 11.3% of 266 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
East Washington St over Neshannock Creek	1909	18,779	Poor
West Washington St over Ncir / Iss Railroad	1924	7,349	Poor
Eastbrook Rd over Hottenbaugh Run	1930	3,416	Poor
Covert Rd over SR 0376 EB WB	1972	2,591	Poor
Beltway Ex over Neshannock Creek	1968	2,000	Poor
T-683 Main St over Mahoning River Trib	1950	1,000	Poor
Frew Mill Rd over Branch Big Run	1939	723	Poor
Hoover Rd over Sifton Run	1984	500	Poor
Pool Access Rd over Big Run	1974	500	Poor
Jefferson St over Big Run	1914	500	Poor
River Road over Snake Run	1995	500	Poor
State Line Rd. over Hickory Creek	1940	491	Poor
T741 Old Route 422 over Trib Slippery Rock Creek	1921	300	Poor
Pulaski Road over Trib.to Shenango River	1989	269	Poor
Baird Rd (t-505) over Coffee Run Tributary	1967	200	Poor
Graceland Rd over Neshannock West Branch	1940	150	Poor
Mcconnels Mill Rd over Slippery Rock Creek	1875	150	Poor
Mud Bridge Rd over L Beaver Crk North Fork	1930	100	Poor
Barkley Rd #3 over Camp Run	1950	100	Poor
Canal St over Snake Run to Beaver Run	1950	82	Poor
Mcconnell Road over Slippery Rock Creek	1954	62	Poor
Wallace Rd over Nrth Fork Lil Beav Creek	1892	50	Poor
Paden Rd over Hickory Run	1940	50	Poor
Old Route 18 Rt over Mahoning River	1932	50	Poor
Reese Rd over Taylor Run	1981	50	Poor
Grimm Rd over Potter Run	1922	50	Poor
Paper Mill Rd over Neshannock Creek	1965	50	Poor
Cascade Blvd over Big Run	1955	25	Poor
Balph Av over Big Run	1900	25	Poor
Old Route 422 Rt over Slippery Rock Creek	1920	–	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
Pa Tpk (I-76) over T-306	2006	21,767	Good
Pa Turnpike (I-76) over Honey Creek;wb-101	2008	21,767	Good
Pa Turnpike(i-76) over LR37056 SR 3002;wb-102	2008	21,767	Good
Pa Turnpike (I-76) over Beaver Dam Run	2008	21,767	Good
Pa Turnpike (I-76) over N Fork Little Beaver Ck	1952	21,767	Fair
Pa Tpk (I-376) over Jenkins Run	1992	19,742	Fair
Pa Turnpike (I-76) over Beaver Dam Run	1952	19,297	Fair
East Washington St over Neshannock Creek	1909	18,779	Poor
Benjamin Franklin over Business Route 422	1971	14,124	Fair
SR 0079 NB over Jamison Run	1963	13,186	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 Lawrence County → - all 266, 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.