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Fs Rte. 346 over Cedar Creek

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

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

Fs Rte. 346 over Cedar Creek in Jackson 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 1989 and reconstructed in 1, making it 36 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 1992).
It is one of 62 of the 228 inventoried bridges in Jackson County rated fair (27.2%); 16 (7.0%) 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 120 ft
Location	3 Mi NW of Pomona
NBI structure number	090803000001003
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Il 13 WB over Crab Orchard Creek	1995	25,800	Good
Ill 13 WB over Crab Orchard CR Ovfl	1995	25,800	Good
Il 13 EB over Crab Orchard Creek	2021	25,800	Good
Il 13 EB over Crab Orchard Creek	2021	25,800	Good
Ill Rte 13 over Trib-piles Fork Crk.	1948	25,500	Fair
Il Rte 13 over Little Crab Orchard	2007	21,600	Fair