Structure 8951570 · DeKalb County, GA

Bouldercrest Road over South River

Carries Bouldercrest Road over South River, 6.5 Mi S Of Decatur.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT232 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

232 ft end to end, longest span 111 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 multi-beam bridge.

Built200719 years old
Length232.0 ft70.7 m
Daily traffic18,900counted 2024
Last inspectedApril 2024every 24 months

Location

StateGeorgia
CountyDeKalb
Location6.5 Mi S Of Decatur
CarriesBouldercrest Road
CrossesSouth River
Coordinates33.67963, -84.30788

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length232.0 ft (70.7 m)
Max Span110.9 ft (33.8 m)
Deck Width62.3 ft (19 m)
Deck Area1343.3 sq m
Main Spans3
Year Built2007

Traffic

Avg Daily Traffic18,900 (2024)
Truck Traffic1%
Lanes On Bridge4

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000008951570

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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