Structure 600094 · Boone County, IN

CR 875w over Walnut Fork Sugar CR

Carries CR 875w over Walnut Fork Sugar CR, 00.90 N Of CR 100 S.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 4/9

22 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 slab bridge.

Built1925101 years old
Length22.3 ft6.8 m
Daily traffic120counted 2017
Last inspectedSeptember 2024every 12 months

Location

StateIndiana
CountyBoone
Location00.90 N Of CR 100 S
CarriesCR 875w
CrossesWalnut Fork Sugar CR
Coordinates40.03830, -86.63400

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length22.3 ft (6.8 m)
Max Span20.0 ft (6.1 m)
Deck Width18.0 ft (5.5 m)
Deck Area37.4 sq m
Main Spans1
Year Built1925

Traffic

Avg Daily Traffic120 (2017)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number0600094

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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