US Bridges

FM 396 over Mission Inlet

Good

Hidalgo County, Texas · 0.8 MI S of US 83 · Structure no. 211090309702165

Built
2002
23 years old, rebuilt 2012
Condition
Good
inspected April 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
53 ft
2 main spans
Daily traffic
3,744
2014 count
Owner
State
State Highway Agency

About this bridge

FM 396 over Mission Inlet is a aluminum, wrought iron, or cast iron culvert carrying FM 396 over Mission Inlet in Hidalgo County, Texas. It was built in 2002 and reconstructed in 2012, so it is 23 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 3,744 vehicles a day, roughly 10% of them trucks, projected to reach 20,000 by 2032. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 396
CrossesMission Inlet
Location0.8 MI S of US 83
RouteState Highway 396
StateTexas
Coordinates26.18593, -98.31444
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length53 ft (16.2 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,744 (2014)
Projected traffic20,000 by 2032
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 396 over Mission Inlet built?

It was built in 2002, making it 23 years old in 2025. It was reconstructed in 2012.

What condition is FM 396 over Mission Inlet 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 2023.

How much traffic does FM 396 over Mission Inlet carry?

About 3,744 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is FM 396 over Mission Inlet?

The structure is 53 ft (16.2 m) long with a longest span of 23 ft (7 m).

Who owns FM 396 over Mission Inlet?

It is owned by the State Highway Agency.