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Ill 34 over Pinhook Creek

Hardin County, Illinois · rated Fair in the 2025 National Bridge Inventory

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

Ill 34 over Pinhook Creek in Hardin County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1924 and reconstructed in 2008, making it 101 years old at the 2025 inventory.
It carries about 1,200 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 22 of the 61 inventoried bridges in Hardin County rated fair (36.1%); 4 (6.6%) 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 76 ft
Location	2.1 Mi S of Herod
NBI structure number	035000500000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ill 146 over Big Creek	2004	1,900	Good
Ill 34 & Ill 146 over Threemile Creek	2009	1,550	Fair
Ill 146 over Hosick Creek	1953	1,500	Poor
Ill 146 over Peters Creek	2013	1,500	Good
Ill 146 over Stream	1954	1,500	Good
Ill 34 over Rose Creek	1924	1,400	Fair