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SR 340 over Purdy Run

Clay County, Indiana · rated Fair in the 2025 National Bridge Inventory

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

SR 340 over Purdy Run in Clay County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1920 and reconstructed in 1980, making it 105 years old at the 2025 inventory.
It carries about 1,553 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 102 of the 185 inventoried bridges in Clay County rated fair (55.1%); 19 (10.3%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 37 ft
Location	02.09 E W US 40 Jct
NBI structure number	031690
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-70 EB over Birch Creek	1966	30,165	Fair
SR 42 over East Fork Honey Creek	1934	29,657	Good
SR 42 over I-70 WB	1967	29,657	Fair
I-70 WB over Honey Creek Priv Rd	1967	16,016	Fair
I-70 EB over Honey Creek Priv Rd	1967	15,522	Fair
I-70 EB over East Fork Birch Creek	1966	15,050	Fair