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SR1 / Coastal Hgwy over Indian River Inlet

Sussex County, Delaware · rated Good in the 2025 National Bridge Inventory

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

SR1 / Coastal Hgwy over Indian River Inlet in Sussex County, Delaware, 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 2012, making it 13 years old at the 2025 inventory.
It carries about 24,984 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 61 of the 154 inventoried bridges in Sussex County rated good (39.6%); 3 (1.9%) 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	Prestressed concrete cable-stayed girder
Length	about 2,600 ft
Location	Indian River Inlet
NBI structure number	3156 050
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Coastal HGWY/SR1NB over Ped Path	1967	35,563	Fair
Coastal HWY/SR1 SB over Ped Path	1967	35,563	Fair
Coastal HWY/SR1 SB over Lewes Rehoboth Canal	1978	31,200	Fair
US 13 N & SR 20 W over Williams Pond	1952	31,002	Fair
US113/DUPONT Blvd over Betts Pond	1912	24,039	Fair
Dupont BLVD/US113 over Wartons Branch	1911	23,985	Fair