US Bridges

FM 3284 over Gregory Canal

Good

San Patricio County, Texas · 3.35 MI NE of Lp 202 · Structure no. 162050073803019

Built
2004
21 years old
Condition
Good
inspected April 2024
Type
Other
Concrete
Length
60 ft
2 main spans
Daily traffic
226
2022 count
Owner
State
State Highway Agency

About this bridge

FM 3284 over Gregory Canal is a concrete other carrying FM 3284 over Gregory Canal in San Patricio County, Texas. It was built in 2004, so it is 21 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 226 vehicles a day, roughly 8% of them trucks, projected to reach 294 by 2042. The structure is 60 ft (18.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 3284
CrossesGregory Canal
Location3.35 MI NE of Lp 202
RouteState Highway 3284
StateTexas
Coordinates27.96491, -97.26727
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic226 (2022)
Projected traffic294 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3284 over Gregory Canal built?

It was built in 2004, making it 21 years old in 2025.

What condition is FM 3284 over Gregory Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does FM 3284 over Gregory Canal carry?

About 226 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FM 3284 over Gregory Canal?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns FM 3284 over Gregory Canal?

It is owned by the State Highway Agency.