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Ir 75 over Lost Creek

Allen County, Ohio · rated Good in the 2025 National Bridge Inventory

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

Ir 75 over Lost Creek in Allen County, Ohio, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 2014, making it 11 years old at the 2025 inventory.
It carries about 39,060 vehicles a day (traffic count year 2015).
Its listed owner is the state highway agency.
It is one of 252 of the 364 inventoried bridges in Allen County rated good (69.2%); 33 (9.1%) are rated poor.
Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
It was rated fair in the 2024 inventory and is now good (culvert 6 to 7).
Its most recent inspection on record is dated October 2024, on a 24-month routine inspection cycle.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings

Component	Rating (2024)	Rating (2025)	FHWA scale meaning
Culvert	6	7	Good condition


Structure	Steel culvert
Length	about 36 ft
Location	.08 mi. N of SR 309
NBI structure number	0202061
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	October 2024
Inspection interval (item 91)	24 months
Scour (item 113)	8: foundations stable, scour above the top of the footing

Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.

Bridge	Built	Vehicles/day	Condition
Ir 75 SB over SR 65	2015	22,650	Good
Ir 75 NB over SR 65	2016	22,650	Good
Ir 75 SB over I & O RR	2015	22,650	Good
Ir 75 NB over I & O RR	2016	22,650	Good
SR 117 over Branch of Lost Creek	2013	21,540	Good
Ir 75 SB over Little Ottawa River	2014	20,855	Good