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
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 .
- 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.
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.