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Bridge conditions in Huron County, Ohio

311 inventoried bridges · 21 rated poor · 2025 National Bridge Inventory

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

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 August 20, 2026.
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.

Every bridge in Huron County → - all 311, busiest first, each with its own condition record.

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.