Structure 75329800000000 · Pike County, IL

Fas 601 over Panther Creek

Carries Fas 601 over Panther Creek, 1.5 Mi N Pittsfield.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
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 FT155 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

155 ft end to end, longest span 60 ft: about 2 semi-trucks nose to tail. 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 box-beam bridge.

Built200224 years old
Length154.9 ft47.2 m
Daily traffic1,350counted 2023
Last inspectedMarch 2023every 24 months

Location

StateIllinois
CountyPike
Location1.5 Mi N Pittsfield
CarriesFas 601
CrossesPanther Creek
Coordinates39.62572, -90.80943

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length154.9 ft (47.2 m)
Max Span60.0 ft (18.3 m)
Deck Width33.1 ft (10.1 m)
Deck Area476.7 sq m
Main Spans3
Year Built2002

Traffic

Avg Daily Traffic1,350 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number075329800000000

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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