Structure 7100108 · St. Joseph County, IN

Olive ST over Conrail And Gtw Rr

Carries Olive ST over Conrail And Gtw Rr, 00.10 N Of Sample ST.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT262 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

262 ft end to end, longest span 81 ft: about 4 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.

Built1984rebuilt 2017
Length261.8 ft79.8 m
Daily traffic6,748counted 2021
Last inspectedSeptember 2024every 24 months

Location

StateIndiana
CountySt. Joseph
Location00.10 N Of Sample ST
CarriesOlive ST
CrossesConrail And Gtw Rr
Coordinates41.66508, -86.28284

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length261.8 ft (79.8 m)
Max Span80.7 ft (24.6 m)
Deck Width78.4 ft (23.9 m)
Deck Area1907.2 sq m
Main Spans4
Year Built1984 (reconstructed 2017)

Traffic

Avg Daily Traffic6,748 (2021)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number7100108

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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