Structure 8100300 · Crisp County, GA

I-75 over Csx Railroad

Carries I-75 over Csx Railroad, 0.2 Mi N Of Jct SR 30.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT146 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

146 ft end to end, longest span 52 ft: about 2 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.

Built1960rebuilt 2010
Length146.0 ft44.5 m
Daily traffic58,200counted 2024
Last inspectedAugust 2023every 24 months

Location

StateGeorgia
CountyCrisp
Location0.2 Mi N Of Jct SR 30
CarriesI-75
CrossesCsx Railroad
Coordinates31.96299, -83.75191

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length146.0 ft (44.5 m)
Max Span51.8 ft (15.8 m)
Deck Width137.5 ft (41.9 m)
Deck Area1864.5 sq m
Main Spans3
Year Built1960 (reconstructed 2010)

Traffic

Avg Daily Traffic58,200 (2024)
Truck Traffic1%
Lanes On Bridge8

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000008100300

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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