Or-5 Chainofrocksr over Chain Of Rocks Cn & 2 Lr

Poor Condition77 years old525 vehicles/day

Location

StateIllinois
CountyMadison
Location1.3 M E Miss R
CarriesOr-5 Chainofrocksr
CrossesChain Of Rocks Cn & 2 Lr
Coordinates38.76165, -90.14225

Condition Ratings

Overall ConditionPoor
Deck7 (Good)
Superstructure2 (Critical)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length2368.1 ft (721.8 m)
Max Span462.9 ft (141.1 m)
Deck Width30.8 ft (9.4 m)
Deck Area6784.9 sq m
Main Spans17
Year Built1949 (reconstructed 1999)

Traffic

Avg Daily Traffic525 (2021)
Truck Traffic3%
Lanes On Bridge1
Lanes Under Bridge6

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number060006800000000

Nearby Bridges