Structure 7830 · Randolph County, IN

SR 28 over Mississinewa River

Carries SR 28 over Mississinewa River, 02.85 W US 27.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT290 FT ACROSS50 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 290 ft across with 4 openings: 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, so those are drawn as typical for a culvert.

Built195868 years old
Length290.4 ft88.5 m
Daily traffic1,707counted 2022
Last inspectedFebruary 2023every 24 months

Location

StateIndiana
CountyRandolph
Location02.85 W US 27
CarriesSR 28
CrossesMississinewa River
Coordinates40.28309, -85.02847

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length290.4 ft (88.5 m)
Max Span74.8 ft (22.8 m)
Deck Width36.1 ft (11 m)
Deck Area973.5 sq m
Main Spans4
Year Built1958

Traffic

Avg Daily Traffic1,707 (2022)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical3 — Scour critical
Structure Number007830

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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