US Bridges

SH 550 Nbfr over Outfall Channel # 2

Good

Cameron County, Texas · 1.15 MI E of FM 511 · Structure no. 210310362201005

Built
2013
12 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
327
2023 count
Owner
State
State Highway Agency

About this bridge

SH 550 Nbfr over Outfall Channel # 2 is a concrete culvert carrying SH 550 Nbfr 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 327 vehicles a day, roughly 3% of them trucks, projected to reach 458 by 2042. The structure is 21 ft (6.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 550 Nbfr
CrossesOutfall Channel # 2
Location1.15 MI E of FM 511
RouteState Highway 550
CountyCameron County
StateTexas
Coordinates25.97747, -97.4211
Functional classUrban 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 width47 ft (14.4 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic327 (2023)
Projected traffic458 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SH 550 Nbfr over Outfall Channel # 2 built?

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

What condition is SH 550 Nbfr 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 July 2024.

How much traffic does SH 550 Nbfr over Outfall Channel # 2 carry?

About 327 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SH 550 Nbfr over Outfall Channel # 2?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.

Who owns SH 550 Nbfr over Outfall Channel # 2?

It is owned by the State Highway Agency.