Structure 63000200000000 · Fulton County, IL

US 136 over Illinois River

Carries US 136 over Illinois River, W Edge Of Havana.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,726 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 7/9

1,726 ft end to end, longest span 420 ft: about 4.8 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a through truss.

Built1936rebuilt 1998
Length1726.0 ft526.1 m
Daily traffic5,250counted 2023
Last inspectedJuly 2024every 12 months

Location

StateIllinois
CountyFulton
LocationW Edge Of Havana
CarriesUS 136
CrossesIllinois River
Coordinates40.29502, -90.07412

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Thru
Total Length1726.0 ft (526.1 m)
Max Span419.9 ft (128 m)
Deck Width29.5 ft (9 m)
Deck Area4734.9 sq m
Main Spans3
Year Built1936 (reconstructed 1998)

Traffic

Avg Daily Traffic5,250 (2023)
Truck Traffic16%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number063000200000000

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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