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Tr 260 over Conover Creek

Morgan County, Illinois · rated Poor in the 2025 National Bridge Inventory

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

Tr 260 over Conover Creek in Morgan County, Illinois, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 2 (critical condition) on the 0-9 scale.
It was built in 1955, making it 70 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2024).
Its listed owner is a town or township highway agency.
It is one of 17 of the 234 inventoried bridges in Morgan County rated poor (7.3%); 17 (7.3%) 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 75 ft
Location	3.5 Mi E Literberry
NBI structure number	069311500000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Bl72/il104/morton over Town Brook	1952	16,300	Fair
Fai 72 over N Fk Mauvaise Terre	1976	14,500	Fair
Fai 72 over Mauvaise Terre CR Br	1974	14,500	Good
Bus I72/IL104/MORT over Mauvaise Terre Creek	1957	10,400	Fair
Il 267/US 67/BL 67 over I-72/US 36	1975	9,100	Fair
Il 267 over Trib Mauvaise Terre	1989	9,100	Good