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SH 550 NB over FM 1847

Cameron County, Texas · rated Good in the 2025 National Bridge Inventory

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

SH 550 NB over FM 1847 in Cameron County, Texas, 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 2010, making it 15 years old at the 2025 inventory.
It carries about 13,400 vehicles a day (traffic count year 2017).
Its listed owner is the county highway agency.
It is one of 223 of the 354 inventoried bridges in Cameron County rated good (63.0%); 2 (0.6%) 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 stringer or multi-beam girder
Length	about 377 ft
Location	3.4 Mi SE of US 77
NBI structure number	210310068401250
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 77 over Hid #1 Drainage Ditch	2004	101,410	Good
US 77 over Ccdd #3 Lateral V	2004	96,376	Good
Us77/83nb-us2/83wb over US 77 Dixieland & Tyler	1971	92,873	Fair
US 83 over Rvsc RR / Palm Court Dr	2002	69,038	Good
US 83 over Drainage Ditch	2000	67,510	Good
US 77 SB over FM 801 (Ed Carey Dr)	2005	63,260	Fair