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Tr 117 over Trib Hess Bayou

Pulaski County, Illinois · rated Good in the 2025 National Bridge Inventory

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

Tr 117 over Trib Hess Bayou in Pulaski County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2003, making it 22 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2023).
Its listed owner is a town or township highway agency.
It is one of 39 of the 108 inventoried bridges in Pulaski County rated good (36.1%); 10 (9.3%) are rated poor.
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


Structure	Prestressed concrete multiple box beam
Length	about 36 ft
Location	3.0 Mi SW of Olmsted
NBI structure number	077313100000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I 57 & US 51 over Tr 7 Butter Ridge Rd	1995	12,600	Fair
I 57 over Stream	1967	11,900	Fair
I 57 SB & US 51 SB over Cache River	1964	6,300	Fair
I 57 NB & US 51 NB over Cache River	1964	6,300	Fair
I 57 NB & US 51 NB over Cache River Overflow	1964	6,300	Fair
I 57 SB & US 51 SB over Cache River Overflow	1964	6,300	Fair