I-270 EB over St. Thomas RD Nsrr

Fair Condition64 years old22,600 vehicles/day

Location

StateIllinois
CountyMadison
Location1/2 Mi E Of Il 3
CarriesI-270 EB
CrossesSt. Thomas RD Nsrr
Coordinates38.76582, -90.11575

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure8 (Very Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length249.0 ft (75.9 m)
Max Span68.6 ft (20.9 m)
Deck Width44.0 ft (13.4 m)
Deck Area1017.1 sq m
Main Spans4
Year Built1962 (reconstructed 1997)

Traffic

Avg Daily Traffic22,600 (2023)
Truck Traffic21%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number060004000000000

Nearby Bridges

I-270 WB over St. Thomas RD Nsrr 0.0 mi Fair Fai 270 WB over Ill 3 0.4 mi Fair Fai 270 EB over Ill 3 0.5 mi Fair Fai 270 EB over Oa RD Up Kcs Gwe Ns Il20 1.2 mi Fair I-270 EB & WB over Chain Of Rocks Canal 1.2 mi Good Fai 270 WB over Oa RD Up Kcs Gwe Ns Il20 1.2 mi Fair Or-5 Chainofrocksr over Chain Of Rocks Cn & 2 Lr 1.5 mi Poor I-270 EB over Engineer RD A&srr 1.5 mi Fair I-270 WB over Engineer RD A&srr 1.5 mi Fair Fai 270 over Water Main 1.9 mi Good