US Bridges

SH 48 over SH 550

Good

Cameron County, Texas · 3.20 MI SE of FM 3248 · Structure no. 210310022007172

Built
2013
12 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
270 ft
1 main span
Daily traffic
15,387
2024 count
Owner
State
State Highway Agency

About this bridge

SH 48 over SH 550 is a prestressed concrete stringer/multi-beam or girder carrying SH 48 over SH 550 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 15,387 vehicles a day, roughly 11% of them trucks, projected to reach 9,380 by 2031. The structure is 270 ft (82.3 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 48
CrossesSH 550
Location3.20 MI SE of FM 3248
RouteU.S. Route 48
StateTexas
Coordinates25.96155, -97.40603
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length270 ft (82.3 m)
Longest span110 ft (33.5 m)
Deck width80 ft (24.4 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,387 (2024)
Projected traffic9,380 by 2031
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 48 over SH 550 built?

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

What condition is SH 48 over SH 550 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 48 over SH 550 carry?

About 15,387 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is SH 48 over SH 550?

The structure is 270 ft (82.3 m) long with a longest span of 110 ft (33.5 m) and a deck 80 ft wide.

Who owns SH 48 over SH 550?

It is owned by the State Highway Agency.