Structure 2840 · Noble County, IN

SR 9 over West End Sylvan Lake

Carries SR 9 over West End Sylvan Lake, 03.14 N US 6.

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 overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT174 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

174 ft end to end, longest span 34 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 slab bridge.

Built198739 years old
Length173.9 ft53 m
Daily traffic6,587counted 2021
Last inspectedMarch 2024every 24 months

Location

StateIndiana
CountyNoble
Location03.14 N US 6
CarriesSR 9
CrossesWest End Sylvan Lake
Coordinates41.49730, -85.37643

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length173.9 ft (53 m)
Max Span34.4 ft (10.5 m)
Deck Width48.2 ft (14.7 m)
Deck Area779.1 sq m
Main Spans5
Year Built1987

Traffic

Avg Daily Traffic6,587 (2021)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number002840

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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