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HomeIllinoisMarion County › Tr 304A over North Fork

Tr 304A over North Fork

Marion County, Illinois · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (38.81643, -88.91633)

Component ratings

ComponentRating (2025)FHWA scale meaning
Deck7Good condition
Superstructure7Good condition
Substructure8Very good condition

Bridge details

StructurePrestressed concrete multiple box beam
Lengthabout 62 ft
Location3 Mi NW Kinmundy
NBI structure number061331400000000
Condition classGood

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

Busiest bridges in Marion County

BridgeBuiltVehicles/dayCondition
Fai-57 over Raccoon Creek196621,000Good
Fai-57 over Br E Fork Kaskaskia197018,100Good
Fai-57 over S Trib E Br Kask Rvr196918,100Good
Fai-57 over N Trib E Br Kask Rvr196918,100Good
US 50 over Vermillion Creek199410,300Good
Fai-57 NB over Crooked Creek19689,650Poor

All bridges nearby: Marion County, IL bridge conditions · every bridge in Marion County · Illinois bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.