Structure 8731 · Allen County, IN

Hillegas Road over US 30 & US 33

Carries Hillegas Road over US 30 & US 33, 00.23 E US 33.

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
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT218 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 8/9 · sets the rating

218 ft end to end, longest span 72 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.

Built20188 years old
Length218.2 ft66.5 m
Daily traffic15,555counted 2022
Last inspectedNovember 2024every 24 months

Location

StateIndiana
CountyAllen
Location00.23 E US 33
CarriesHillegas Road
CrossesUS 30 & US 33
Coordinates41.12577, -85.19260

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length218.2 ft (66.5 m)
Max Span71.9 ft (21.9 m)
Deck Width34.8 ft (10.6 m)
Deck Area704.9 sq m
Main Spans3
Year Built2018

Traffic

Avg Daily Traffic15,555 (2022)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge6

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 Number008731

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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