NB Dubuque ST over I 80

Fair Condition63 years old3,750 vehicles/day

Location

StateIowa
CountyJohnson
LocationAt The Jct. Of S.r. W66
CarriesNB Dubuque ST
CrossesI 80
Coordinates41.68640, -91.53949

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length240.2 ft (73.2 m)
Max Span65.9 ft (20.1 m)
Deck Width36.1 ft (11 m)
Deck Area805.2 sq m
Main Spans4
Year Built1963

Traffic

Avg Daily Traffic3,750 (2022)
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000000000032120

Nearby Bridges

SB Dubuque ST over I 80 0.1 mi Fair Dubuque ST over Iowa River 0.6 mi Fair Prairieduchien RD over I 80 0.8 mi Fair I 80 WB over Iowa River 0.9 mi Good I 80 EB over Iowa River 1.0 mi Good Oakdale BLVD over Muddy Creek 1.1 mi Good Park RD over Iowa River 1.1 mi Good Oakdale BLVD over Muddy Creek 1.2 mi Good FM Prare Du Chn over Rapid Creek 1.3 mi Fair 1st AVE SB over I 80 1.3 mi Good