Structure 7000148 · Rush County, IN

CR 450e over Little Flatrock River

Carries CR 450e over Little Flatrock River, 00.20 S Of CR 200 S.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

37 ft end to end. Lengths and the car 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.

Built1900rebuilt 1967
Length37.4 ft11.4 m
Daily traffic250counted 2019
Last inspectedMay 2023every 24 months

Location

StateIndiana
CountyRush
Location00.20 S Of CR 200 S
CarriesCR 450e
CrossesLittle Flatrock River
Coordinates39.58172, -85.35835

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length37.4 ft (11.4 m)
Max Span34.1 ft (10.4 m)
Deck Width20.0 ft (6.1 m)
Deck Area69.5 sq m
Main Spans1
Year Built1900 (reconstructed 1967)

Traffic

Avg Daily Traffic250 (2019)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number7000148

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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