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Tr 301 over Sixmile Creek

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

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

Tr 301 over Sixmile Creek in Pike 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 1999, making it 26 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2023).
Its listed owner is a town or township highway agency.
It is one of 220 of the 332 inventoried bridges in Pike County rated fair (66.3%); 34 (10.2%) 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 55 ft
Location	2.0 Mi SW Pittsfield
NBI structure number	075328700000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-72 / US 36 over Miss R/bnrr/nsrr/st	1999	16,500	Poor
I-72 over Trib Blue Creek	1988	9,900	Good
I-72 over Drainage Ditch	1988	9,410	Good
I-72 over Drainage Ditch	1986	9,400	Fair
I-72 over Drainage Ditch	1986	9,400	Fair
I-72 / US 36 over Drainage Ditch	1986	9,400	Fair