Structure 71303700000000 · Ogle County, IL

Pecatonica RD over Dm&e Rr

Carries Pecatonica RD over Dm&e Rr, 2.5 Mi E Leaf River.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT172 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 7/9

172 ft end to end, longest span 62 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 multi-beam bridge.

Built1957rebuilt 1999
Length171.9 ft52.4 m
Daily traffic850counted 2017
Last inspectedAugust 2023every 24 months

Location

StateIllinois
CountyOgle
Location2.5 Mi E Leaf River
CarriesPecatonica RD
CrossesDm&e Rr
Coordinates42.13626, -89.35585

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length171.9 ft (52.4 m)
Max Span62.3 ft (19 m)
Deck Width29.9 ft (9.1 m)
Deck Area476.8 sq m
Main Spans3
Year Built1957 (reconstructed 1999)

Traffic

Avg Daily Traffic850 (2017)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number071303700000000

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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