I-26 over I-20

Richland County, South Carolina · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

I-26 over I-20 in Richland County, South Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1964 and reconstructed in 1983, making it 61 years old at the 2025 inventory.
It carries about 143,200 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 168 of the 367 inventoried bridges in Richland County rated fair (45.8%); 17 (4.6%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 279 ft
Location	5 Mi NW of Columbia
NBI structure number	000000000004407
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.

Bridge	Built	Vehicles/day	Condition
I-26/RAMP Off I-26 over RR Csxt	1958	130,700	Fair
I-20 over Crane Creek & S-43	1964	123,700	Fair
I-20 over Broad River	1965	123,700	Fair
I-20 over Sou. RR & Priv. Rd. .	1965	123,700	Fair
I-20 over Trib to Crane Creek	1965	107,900	Fair
I-20 over Sc 555 Sou RR Frtg Rd	1965	105,700	Fair