Structure 8030 · Richland County, SC

I-26 WB over I-126

Carries I-26 WB over I-126, 3mi NW Of Columbia.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT423 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

423 ft end to end, longest span 134 ft: about 6 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.

Built198442 years old
Length422.9 ft128.9 m
Daily traffic65,350counted 2023
Last inspectedDecember 2023every 24 months

Location

StateSouth Carolina
CountyRichland
Location3mi NW Of Columbia
CarriesI-26 WB
CrossesI-126
Coordinates34.02806, -81.10167

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length422.9 ft (128.9 m)
Max Span133.9 ft (40.8 m)
Deck Width43.3 ft (13.2 m)
Deck Area1701.5 sq m
Main Spans4
Year Built1984

Traffic

Avg Daily Traffic65,350 (2023)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000000008030

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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