Structure 10667 · Richland County, SC

I-26 WB Ramp Pro over Csx Railroad

Carries I-26 WB Ramp Pro over Csx Railroad, 4.2 Mi NW Of Columbia.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,470 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

2,470 ft end to end, longest span 114 ft: about 6.9 football fields. 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.

Built20242 years old
Length2469.8 ft752.8 m
Daily traffic91,400counted 2023
Last inspectedNovember 2024every 24 months

Location

StateSouth Carolina
CountyRichland
Location4.2 Mi NW Of Columbia
CarriesI-26 WB Ramp Pro
CrossesCsx Railroad
Coordinates34.02444, -81.09889

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length2469.8 ft (752.8 m)
Max Span113.5 ft (34.6 m)
Deck Width40.4 ft (12.3 m)
Deck Area9259.4 sq m
Main Spans23
Year Built2024

Traffic

Avg Daily Traffic91,400 (2023)
Truck Traffic9%
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical6 — Scour calculated, stable
Structure Number000000000010667

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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