Structure 5740 · Starke County, IN

SR 23 over Yellow River

Carries SR 23 over Yellow River, 00.34 S SR 8.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck9/9 · Excellent
Superstructure8/9 · Very Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT167 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 8/9Substructure 6/9 · sets the rating

167 ft end to end, longest span 55 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.

Built1964rebuilt 2002
Length166.7 ft50.8 m
Daily traffic4,219counted 2021
Last inspectedJanuary 2023every 24 months

Location

StateIndiana
CountyStarke
Location00.34 S SR 8
CarriesSR 23
CrossesYellow River
Coordinates41.28281, -86.52440

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length166.7 ft (50.8 m)
Max Span54.8 ft (16.7 m)
Deck Width36.4 ft (11.1 m)
Deck Area563.9 sq m
Main Spans3
Year Built1964 (reconstructed 2002)

Traffic

Avg Daily Traffic4,219 (2021)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number005740

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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