US Bridges

FM 396 SB over Trinity ST

Good

Hidalgo County, Texas · 0.50 MI S of US 83 · Structure no. 211090003902164

Built
2014
11 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
295 ft
3 main spans
Daily traffic
4,000
2010 count
Owner
State
State Highway Agency

About this bridge

FM 396 SB over Trinity ST is a prestressed concrete stringer/multi-beam or girder carrying FM 396 SB over Trinity ST in Hidalgo County, Texas. It was built in 2014, so it is 11 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 4,000 vehicles a day, roughly 12% of them trucks, projected to reach 20,000 by 2030. The structure is 295 ft (89.9 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesFM 396 SB
CrossesTrinity ST
Location0.50 MI S of US 83
RouteState Highway 396
CountyHidalgo County
StateTexas
Coordinates26.19153, -98.31335
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length295 ft (89.9 m)
Longest span115 ft (35.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2010)
Projected traffic20,000 by 2030
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 396 SB over Trinity ST built?

It was built in 2014, making it 11 years old in 2025.

What condition is FM 396 SB over Trinity ST 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 May 2023.

How much traffic does FM 396 SB over Trinity ST carry?

About 4,000 vehicles per day (2010 count), of which roughly 12% are trucks.

How long is FM 396 SB over Trinity ST?

The structure is 295 ft (89.9 m) long with a longest span of 115 ft (35.1 m) and a deck 40 ft wide.

Who owns FM 396 SB over Trinity ST?

It is owned by the State Highway Agency.