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Tr 39 over Irish Hollow Creek

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

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

Tr 39 over Irish Hollow Creek in Calhoun 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 5 (fair condition) on the 0-9 scale.
It was built in 1992, making it 33 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2022).
Its listed owner is a town or township highway agency.
It is one of 35 of the 81 inventoried bridges in Calhoun County rated fair (43.2%); 4 (4.9%) 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 61 ft
Location	1 1/2 NE Hamburg
NBI structure number	007305700000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Illinois 100 over Poor Farm Hollow Crk	1996	3,400	Good
Park St In Hardin over Geske Hollow Creek	2006	3,250	Good
Ill 100 over Godar Hollow Creek	1996	2,300	Good
Il 100 over Mccauley Rd Creek	2002	1,750	Good
Ill 100 over Michael Creek	1996	1,350	Good
Il 100 over Crater Creek	1996	1,350	Good