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Tr 129 over Walnut Creek

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

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

Tr 129 over Walnut Creek in Woodford 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 5 (fair condition) on the 0-9 scale.
It was built in 1978, making it 47 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2020).
Its listed owner is a town or township highway agency.
It is one of 139 of the 224 inventoried bridges in Woodford County rated fair (62.1%); 22 (9.8%) 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 63 ft
Location	1125 East 1300 North
NBI structure number	102312800000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-74 over Rock Creek Tributary	1965	28,400	Fair
I 39/US 51 over Unnamed Stream	1992	18,700	Fair
I 39/US 51 over Unnamed Stream	1992	18,700	Fair
I 39/US 51 over Unnamed Stream	1992	18,700	Fair
I 39/US 51 over E Branch Panther Ck	1992	16,200	Fair
WB I-74 over Mackinaw River	1964	14,200	Poor