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400 North over Mutton Creek

Jackson County, Indiana · rated Poor in the 2025 National Bridge Inventory

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

400 North over Mutton Creek in Jackson County, Indiana, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1982, making it 43 years old at the 2025 inventory.
It carries about 140 vehicles a day (traffic count year 2023).
It is one of 5 of the 321 inventoried bridges in Jackson County rated poor (1.6%); 5 (1.6%) 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	Timber stringer or multi-beam girder
Length	about 51 ft
Location	1.8 Mi SW of Hdqrtrs
NBI structure number	000031530-00286
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I-65 over Grassy Creek	1958	38,025	Fair
US 50 over Von Fange Ditch	1986	22,132	Fair
I-65 NB over Conrail RR	1960	20,158	Good
I-65 NB over Able Ditch	1960	20,158	Good
I-65 SB over Conrail RR	1960	19,999	Good
I-65 SB over Able Ditch	1960	19,999	Good