Structure 3620 · Jasper County, IN

SR 14 over Iroquois River

Carries SR 14 over Iroquois River, 00.65 W US 231.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT111 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 8/9

111 ft end to end, longest span 36 ft. 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 slab bridge.

Built1962rebuilt 2001
Length110.9 ft33.8 m
Daily traffic786counted 2021
Last inspectedNovember 2024every 24 months

Location

StateIndiana
CountyJasper
Location00.65 W US 231
CarriesSR 14
CrossesIroquois River
Coordinates41.02695, -87.16462

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length110.9 ft (33.8 m)
Max Span36.4 ft (11.1 m)
Deck Width34.4 ft (10.5 m)
Deck Area354.9 sq m
Main Spans3
Year Built1962 (reconstructed 2001)

Traffic

Avg Daily Traffic786 (2021)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number003620

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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