US Bridges

US 83 EB over Mercedes Main Canal

Good

Hidalgo County, Texas · 0.20 MI E of FM 491 · Structure no. 211090003918420

Built
2008
17 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
25,790
2011 count
Owner
State
State Highway Agency

About this bridge

US 83 EB over Mercedes Main Canal is a prestressed concrete stringer/multi-beam or girder carrying US 83 EB over Mercedes Main Canal in Hidalgo County, Texas. It was built in 2008, so it is 17 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 25,790 vehicles a day, roughly 11% of them trucks, projected to reach 45,800 by 2031. The structure is 112 ft (34.1 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 83 EB
CrossesMercedes Main Canal
Location0.20 MI E of FM 491
RouteU.S. Route 83
StateTexas
Coordinates26.15712, -97.91043
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum 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
Design loadHS 25 or greater
Structure length112 ft (34.1 m)
Longest span112 ft (34.1 m)
Deck width59 ft (18 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,790 (2011)
Projected traffic45,800 by 2031
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 83 EB over Mercedes Main Canal built?

It was built in 2008, making it 17 years old in 2025.

What condition is US 83 EB over Mercedes Main Canal 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 US 83 EB over Mercedes Main Canal carry?

About 25,790 vehicles per day (2011 count), of which roughly 11% are trucks.

How long is US 83 EB over Mercedes Main Canal?

The structure is 112 ft (34.1 m) long with a longest span of 112 ft (34.1 m) and a deck 59 ft wide.

Who owns US 83 EB over Mercedes Main Canal?

It is owned by the State Highway Agency.