Ill 97 over Sangamon R Overflow

Poor Condition88 years old1,750 vehicles/day

Location

StateIllinois
CountyMenard
Location.5 Mi SE Sangamon R.
CarriesIll 97
CrossesSangamon R Overflow
Coordinates40.12000, -89.97929

Condition Ratings

Overall ConditionPoor
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure4 (Poor)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length796.9 ft (242.9 m)
Max Span78.1 ft (23.8 m)
Deck Width35.1 ft (10.7 m)
Deck Area2599.0 sq m
Main Spans12
Year Built1938 (reconstructed 1988)

Traffic

Avg Daily Traffic1,750 (2023)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number065000300000000

Nearby Bridges