Bridge conditions in Huron County, Ohio
311 inventoried bridges · 21 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
21 of the 311 bridges the federal inventory lists in Huron County are rated poor; the rest split 186 good and 104 fair.
- 21 of the 311 bridges in Huron County, Ohio, are rated in poor condition (6.8%) in the 2025 National Bridge Inventory, as of .
- 186 bridges (59.8%) are rated good and 104 (33.4%) fair.
- The median Huron County bridge was built in 1992.
- The busiest poor-rated bridge is SR 61 over over W&l.e. RR (built 1906), carrying about 6,311 vehicles a day.
Good 59.8% · Fair 33.4% · Poor 6.8% of 311 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 61 over over W&l.e. RR | 1906 | 6,311 | Poor |
| Baseline Rd CR 11 over Baseline / Ashland Rail | 1950 | 2,803 | Poor |
| Section Line 30 over Sec Ln 30 / Slate Run | 1960 | 1,804 | Poor |
| County Road 228 over Co Rd 228/E Br Hrn Rvr | 1925 | 1,158 | Poor |
| Boughtonville 105 over Boughtnvl/w Br Huron Rvr | 1956 | 493 | Poor |
| Cook 185 over Cook / Vermilion Rvr | 1940 | 422 | Poor |
| Sandhill 040 over Sandhill / Seymour Crk | 1952 | 384 | Poor |
| Peru Oleana 164 over Peru Olena / Co Di 1300 | 1966 | 384 | Poor |
| Sandhill Rd 040 over Sandhill / Frink Run | 1944 | 361 | Poor |
| Peru West S L 65 over Peru West S L/co Di 1201 | 1977 | 324 | Poor |
| Vesta 182 over Vesta/e Br Vermilion Rvr | 1962 | 324 | Poor |
| Buckinghan 181 over Buckingham / Marsh Run | 1922 | 324 | Poor |
| Pontiac Sec Ln 64 over Pontiac S L / Frink Run | 1971 | 271 | Poor |
| Thomas 68 over Thomas / Co Di 1451 | 1950 | 262 | Poor |
| Grnwch Mln T L 51 over Grn Mi T L/sw Br Vrm Rvr | 1953 | 196 | Poor |
| Chenango 83 over Chenango / Vermilion Rvr | 1954 | 174 | Poor |
| Cook 185 over Cook/e Br Vermilion Rvr | 1953 | 144 | Poor |
| Peru West S L 65 over Peru W S L/w Br Huron Rv | 1954 | 122 | Poor |
| Townline 198 over Townline 198 / Slate Run | 1959 | 80 | Poor |
| Grnwch Milan Tl 51 over Grnwch Mi T L/co Di 1850 | 1962 | 72 | Poor |
| Hanville Crnrs 100 over Hnvl Crnr/e Br Huron Rvr | 1948 | 67 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Usr 250 over Rattlesnake Creek | 2011 | 14,942 | Good |
| Usr 250 over over Hur-20-1349 | 1968 | 11,427 | Good |
| Usr 20 over West Br Huron River | 1936 | 11,337 | Fair |
| Usr 224 over Marsh Run | 1983 | 9,030 | Fair |
| Usr 250 over Trib of Norwalk Creek | 1988 | 7,525 | Good |
| Usr 250 over Trib.of Norwalk Creek | 2004 | 7,525 | Good |
| Usr 250 over Trib of Cole Creek | 1994 | 7,525 | Fair |
| Usr 20 over Cole Creek | 1965 | 7,429 | Good |
| Usr 20 over Vermilion River # | 1933 | 6,398 | Good |
| TH 148 S. Norwalk over over Hur-020 -1170 | 1965 | 6,390 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Ohio: Ohio 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.