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Ramp Off I-526 EB over Cooper River Trib

Berkeley County, South Carolina · rated Good in the 2025 National Bridge Inventory

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

Ramp Off I-526 EB over Cooper River Trib in Berkeley County, South Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1992, making it 33 years old at the 2025 inventory.
It carries about 2,000 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 79 of the 217 inventoried bridges in Berkeley County rated good (36.4%); 8 (3.7%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 624 ft
Location	5.5 Mi Nne Charleston
NBI structure number	000000000008517
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-26 over Saw Mill Branch	1960	93,600	Fair
I-526 over Cooper River	1992	76,300	Fair
US 17 Alt over I-26	2003	59,300	Good
I-26 over Timothy Creek	1960	52,800	Fair
I-26 EB over Timothy Creek	1960	52,800	Fair
US 17 Alt over Sawmill Creek	1936	44,000	Good