Bridge conditions in Mercer County, West Virginia

175 inventoried bridges · 44 rated poor · 2025 National Bridge Inventory

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

About one in 4 bridges in Mercer County is rated in poor condition: 44 of 175 on the federal inventory, one of the higher shares in West Virginia.

44 of the 175 bridges in Mercer County, West Virginia, are rated in poor condition (25.1%) in the 2025 National Bridge Inventory, as of August 20, 2026.
4 bridges (2.3%) are rated good and 127 (72.6%) fair.
The median Mercer County bridge was built in 1979.
The busiest poor-rated bridge is US 19 over Brush Creek (built 1977), carrying about 15,800 vehicles a day.

Good 2.3% · Fair 72.6% · Poor 25.1% of 175 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
US 19 over Brush Creek	1977	15,800	Poor
US 19 over WV 112 NSRR East River	1974	15,000	Poor
CR 27 over Brush Creek	1960	10,100	Poor
Wv 104 over Daves Fork	1957	9,500	Poor
Wv. Rte. 20 over C104/5 & Nsrr & Brush CR	1947	8,200	Poor
US 19 (NB) over WV 112 NSRR East River	1974	7,450	Poor
US 460 WB over Co 35 & Fivemile Creek	1972	5,200	Poor
Co 25 over Norfolk Southern RR	1987	4,000	Poor
US 52 over Abandoned RR	1930	3,700	Poor
County Route 27/3 over NS Railroad	1997	3,400	Poor
Co 7 over Brush Creek	1936	1,900	Poor
Co 16 over Brush Creek	1940	1,400	Poor
US 19 over I 77	1973	650	Poor
Co 3 over Brush Creek	1995	600	Poor
CR 28 over Hales Branch	1946	600	Poor
Co 460/6 over Fivemile Creek	1940	600	Poor
CR 120 over Bluestone River	1949	500	Poor
CR 34/1 over Brush Creek	1988	500	Poor
CR 120 over Bluestone River	1956	450	Poor
County Route 3 over I77 NB Lanes	1954	300	Poor
CR 3 over I 77 SB & Ramp #3	1977	300	Poor
CR 11 over Crane Creek	1940	250	Poor
CR 11/7 over Sandlick Creek	1980	200	Poor
County Route 15 over Bluestone River	1964	150	Poor
Co 219/6 over East River	1943	150	Poor
Co 11/10 over Crane Creek	1950	90	Poor
Co 20/9 over Bluestone River	1940	90	Poor
County Route 71/3 over Widemouth Creek	1982	90	Poor
Co 10/25 over Righthand Fork	1936	90	Poor
County Route 5/1 over Rich Creek	1951	40	Poor
Co 38/5 over East River	1964	40	Poor
County Route 26/2 over Paynes Branch	1928	40	Poor
County Route 12/7 over Rich Creek	1976	30	Poor
P & F 801 over Mash Fork	1991	30	Poor
County Route 52/37 over Brush Creek	1997	30	Poor
Ha 903/46 over Rich Creek	2001	30	Poor
County Route 2/1 over North Fork Mt Creek	1930	20	Poor
P&f 802 over Camp Creek	1950	20	Poor
County Route 112/1 over East River	1995	20	Poor
Co 112/2 over East River	1995	20	Poor
Co 2/1 over N Fork of Rockhouse Br	2010	20	Poor
Ha 901/21 over Right Fork Widemouth Cr.	1925	20	Poor
CR 30/3 over East River	1996	10	Poor
County Route 22/4 over Island Creek	2003	10	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
I-77 NB over Brush Creek	1979	40,127	Fair
I-77 SB over Routes 19 and 21	1977	30,659	Fair
I-77 NB over Routes 19 and 21	1977	29,826	Fair
I-77 S over Bluestone Rvr & Co. Rt 3	1954	28,562	Fair
I-77 NB over Mercer Co. Route 7	1977	28,500	Fair
I-77 NB over Mercer County Route 3	1977	28,453	Fair
I-77 SB over Mercer County Route 3	1979	28,453	Fair
I-77 Nbl over Bluestone Rvr & Route 3	1979	28,453	Fair
I-77 SB over WV Rt 20	1979	21,800	Fair
I-77 SB over Brush Creek	1977	21,800	Fair

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

Every bridge in Mercer County → - all 175, busiest first, each with its own condition record.

All of West Virginia: West Virginia 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.