Tr 423 over Mill Creek

Fair Condition45 years old200 vehicles/day

Location

StateIllinois
CountyAdams
Location2.25 Mi S E Quincy
CarriesTr 423
CrossesMill Creek
Coordinates39.90096, -91.31849

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure8 (Very Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length50.9 ft (15.5 m)
Max Span48.9 ft (14.9 m)
Deck Width24.3 ft (7.4 m)
Deck Area114.7 sq m
Main Spans1
Year Built1981

Traffic

Avg Daily Traffic200 (2024)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number001328100000000

Nearby Bridges

Tr 0116 over Mill Creek 0.3 mi Fair W ST Anthony/tr 42 over I-172 0.4 mi Fair Fai 172 over Branch Of Mill Creek 0.5 mi Fair Tr 116 over Br. Of Mill Creek 0.6 mi Good Tr 437 over Mill Creek 0.7 mi Fair Tr 130 over Mill Creek 1.4 mi Fair Ill 96 over Fai 172 1.5 mi Fair Ill 96 over Mill Creek 1.6 mi Fair Ch 5 over Fai 172 1.6 mi Good Ch 5 over Mill Creek 2.1 mi Fair