US Bridges

SH 550 over Outfall Channel # 2

Good

Cameron County, Texas · 1.15 MI E of FM 511 · Structure no. 210310362201003

Built
2013
12 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,000
2013 count
Owner
Toll Authority
Local Toll Authority

About this bridge

SH 550 over Outfall Channel # 2 is a concrete culvert carrying SH 550 over Outfall Channel # 2 in Cameron County, Texas. It was built in 2013, so it is 12 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 1,000 vehicles a day, roughly 50% of them trucks, projected to reach 22,000 by 2031. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 550
CrossesOutfall Channel # 2
Location1.15 MI E of FM 511
CountyCameron County
StateTexas
Coordinates25.97695, -97.42119
Functional classUrban Other Principal Arterial

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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2013)
Projected traffic22,000 by 2031
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollToll bridge
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 SH 550 over Outfall Channel # 2 built?

It was built in 2013, making it 12 years old in 2025.

What condition is SH 550 over Outfall Channel # 2 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 SH 550 over Outfall Channel # 2 carry?

About 1,000 vehicles per day (2013 count), of which roughly 50% are trucks.

How long is SH 550 over Outfall Channel # 2?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SH 550 over Outfall Channel # 2?

It is owned by the Local Toll Authority.