Structure 2700163 · Grant County, IN

Branson ST over Mississinewa River

Carries Branson ST over Mississinewa River, 00.14 Mi N Of SR 18.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT302 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 5/9

302 ft end to end, longest span 46 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 slab bridge.

Built1910rebuilt 1954
Length301.5 ft91.9 m
Daily traffic7,460counted 2021
Last inspectedOctober 2023every 24 months

Location

StateIndiana
CountyGrant
Location00.14 Mi N Of SR 18
CarriesBranson ST
CrossesMississinewa River
Coordinates40.56087, -85.65733

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length301.5 ft (91.9 m)
Max Span45.9 ft (14 m)
Deck Width40.0 ft (12.2 m)
Deck Area1121.2 sq m
Main Spans7
Year Built1910 (reconstructed 1954)

Traffic

Avg Daily Traffic7,460 (2021)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical3 — Scour critical
Structure Number2700163

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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