Home › Illinois › St. Clair County › Ch 68 over Mud Creek

Ch 68 over Mud Creek

St. Clair County, Illinois · rated Poor in the 2025 National Bridge Inventory

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

Ch 68 over Mud Creek in St. Clair County, Illinois, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1962, making it 63 years old at the 2025 inventory.
It carries about 250 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 45 of the 485 inventoried bridges in St. Clair County rated poor (9.3%); 45 (9.3%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 178 ft
Location	3.0MI E Ill Rte 13
NBI structure number	082304400000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Psb I-55 64;US 40 over Mississippi River	1963	113,200	Fair
I-55/64; US 40 Psc over Trra	1966	113,200	Poor
I-55/64; US 40 EB over 4TH ST in E ST LOU	1965	105,300	Fair
EB 55/MLK Eb&wb Ap over 3RD ST EXIT to EStL	1961	105,300	Good
I-55/70;/64 over Csxrr Nsrr Trrarr	1959	66,500	Poor
I-55/64EB mainlne" over UPRR IL 3 ramp UPRR UPRR	1995	56,600	Fair