The short version
- TxDOT calls the Port of Brownsville the only deep water seaport directly on the U.S.-Mexico border. It transships more steel into Mexico than any other U.S. port and lists 438,000 trucks of annual truck traffic.
- The port's overweight corridor gives overweight trucks access to the commercial international bridges. CBP runs import lots at the Veterans International Bridge and the Los Indios Free Trade Bridge.
- BTS data show 306,858 incoming truck crossings at the Brownsville port in calendar 2025.
- Steel, overweight and cross-border work make flatbed, heavy haul, cargo securement and Mexico coverage the core lines. In May 2023, DPS inspections at the Brownsville bridges caused waits of 8 to 24 hours.
Port of Brownsville: steel, liquids and an overweight corridor
TxDOT's 2024-2025 port profile describes the Port of Brownsville as the only deep water seaport directly on the U.S.-Mexico border and the largest land-owning public port authority in the country, with more than 40,000 acres. It transships more steel into Mexico than any other U.S. port, and it is a major gateway for refined petroleum products, green energy components and aggregates.
The profile lists:
- Road: highway connections to I-69E, I-69C, I-2, SH 550, SH 48 and SH 4
- Overweight corridor: overweight trucks get unimpeded access to the commercial international bridges to Mexico
- Rail: Brownsville & Rio Grande International Railway, with connections to Union Pacific, BNSF and KCSM
- Annual truck traffic: 438,000
Steel coils, plate and pipe are heavy, shift if poorly secured, and are expensive to replace. Overweight loads add permit conditions. See flatbed trucking insurance and heavy haul insurance. Refined product moves in tankers, which brings in tanker truck insurance and truck pollution liability.
Veterans International and Los Indios
CBP's Brownsville port page lists the Veterans International Bridge (6:00 a.m. to midnight daily) and the Los Indios Free Trade Bridge (6:00 a.m. to 10:00 p.m. daily), plus two import lots:
- Veterans International Import Lot: 8:00 a.m. to midnight weekdays, 8:00 a.m. to 4:00 p.m. weekends
- Los Indios Free Trade Import Lot: 8:00 a.m. to 10:00 p.m. weekdays, 10:00 a.m. to 6:00 p.m. Saturday, closed Sunday
BTS data show 306,858 incoming truck crossings at the Brownsville port in calendar 2025.
Crossings can stall. In May 2023, the Texas Tribune reported that DPS restarted safety inspections of all commercial vehicles from Mexico at the Veterans International Bridge, with cargo also inspected at Los Indios, and truckers reported delays of 8 to 24 hours. Long waits matter for coverage when cargo is temperature-sensitive or when a loaded trailer sits overnight. See what is the unattended vehicle exclusion.
Where cargo coverage commonly falls short
Cross-border coverage in Brownsville
Brownsville carriers do a lot of short cross-border moves between Matamoros and Brownsville yards. Three things to check:
- Mexico liability. A U.S. policy generally does not cover you inside Mexico. See cross-border trucking insurance and Mexico insurance for cross-border trucks.
- Other people's trailers. Interchange agreements need trailer interchange insurance.
- Owner-operators. If you lease trucks, decide who carries what. See leasing owner-operators insurance.
Mexico-domiciled carriers that operate only in the border zone hold an FMCSA Certificate of Registration under 49 CFR 368.1. That is their compliance, not yours, but it tells you who you are sharing the yard and the bridge with.
Weather and local service
Brownsville sits at the southern tip of the Texas coast, so hurricane and tropical storm exposure is part of every policy review. Wind and flood damage to parked equipment is covered only by comprehensive physical damage. Make sure every tractor and trailer is scheduled with a realistic value. See truck physical damage insurance.
TxDMV does not list a regional service center in Brownsville. The nearest is in Pharr, which handles IRP credentials and temporary operating authority for established accounts.
Common questions
Does my cargo policy cover steel coils that shift and damage the trailer?
Cargo coverage pays for damage to the freight. Damage to your trailer is a physical damage claim, and damage to others is liability. Cargo forms often have conditions about securement, so read them. See motor truck cargo insurance and flatbed trucking insurance.
Do I need different coverage to use the port overweight corridor?
Your insurer needs to know you run overweight loads, because permits and weights change the risk. Operating outside what you disclosed can create problems at claim time. See heavy haul insurance.
Is there a TxDMV office in Brownsville for apportioned plates?
TxDMV does not list a regional service center in Brownsville. The nearest is the Pharr regional service center, which handles IRP credentials and temporary operating authority for established accounts.
What do I need to haul refined product out of the port?
Tank work brings tanker-specific underwriting, possibly higher federal minimums if the product is placarded, and pollution coverage for spills. See tanker truck insurance, hazmat trucking insurance and truck pollution liability.
Sources
- TxDOT Maritime Division: Port of Brownsville profile (2024-2025). Only deep water seaport on the border, steel into Mexico, highways, overweight corridor, rail, 438,000 annual trucks.
- CBP: Brownsville, Texas port 2301. Veterans and Los Indios bridge and import lot hours.
- BTS: Border Crossing/Entry Data. Brownsville incoming truck crossings, calendar 2025.
- Texas Tribune: DPS inspections at Brownsville bridge (May 5, 2023). Inspections at Veterans and Los Indios; 8 to 24 hour delays.
- 49 CFR 368.1 (Cornell LII). Mexico-domiciled carriers in border commercial zones.
This page explains insurance, not law. Have your attorney review indemnity and contract language; our job is making the insurance match it.
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