Structure 76486 · Howard County, IN

CR 100s over US 31 Sb/nb

Carries CR 100s over US 31 Sb/nb, 1.0 S US 35.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT196 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 8/9 · sets the rating

196 ft end to end, longest span 97 ft: about 3 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 tee-beam bridge.

Built201016 years old
Length195.9 ft59.7 m
Daily traffic12,370counted 2021
Last inspectedAugust 2024every 24 months

Location

StateIndiana
CountyHoward
Location1.0 S US 35
CarriesCR 100s
CrossesUS 31 Sb/nb
Coordinates40.46291, -86.08084

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length195.9 ft (59.7 m)
Max Span96.8 ft (29.5 m)
Deck Width71.9 ft (21.9 m)
Deck Area1307.4 sq m
Main Spans2
Year Built2010

Traffic

Avg Daily Traffic12,370 (2021)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number076486

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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