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Summerhill Drive over East Branch Dupage River

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

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

Summerhill Drive over East Branch Dupage River in DuPage 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1980, making it 45 years old at the 2025 inventory.
It carries about 2,400 vehicles a day (traffic count year 2024).
It is one of 195 of the 345 inventoried bridges in DuPage County rated fair (56.5%); 26 (7.5%) 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 89 ft
Location	0.4 Mi W Ill 53
NBI structure number	022966300000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-88 over I-355	1989	169,900	Fair
I-88 over I-355 NB to I-88 WB	1989	169,900	Fair
I- 55 over Madison St	1959	150,000	Fair
I-355 NB & SB over US-34	1989	147,200	Fair
I-355 over Bn RR	1989	147,200	Good
I-355 NB & SB over Hitchcock Ave.	1989	147,200	Fair