US Bridges

US 77 NB over Hcwid # 1 Main Channel

Fair

Willacy County, Texas · 0.75 MI S of FM 498 · Structure no. 212450032710218

Built
2013
12 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
2 main spans
Daily traffic
11,204
2023 count
Owner
State
State Highway Agency

About this bridge

US 77 NB over Hcwid # 1 Main Channel is a prestressed concrete stringer/multi-beam or girder carrying US 77 NB over Hcwid # 1 Main Channel in Willacy 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,204 vehicles a day, roughly 5% of them trucks, projected to reach 12,000 by 2031. The structure is 140 ft (42.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 NB
CrossesHcwid # 1 Main Channel
Location0.75 MI S of FM 498
RouteU.S. Route 77
StateTexas
Coordinates26.39, -97.78471
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation8: Equal to present desirable 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span70 ft (21.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,204 (2023)
Projected traffic12,000 by 2031
Trucks5%
Lanes on structure2
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 77 NB over Hcwid # 1 Main Channel built?

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

What condition is US 77 NB over Hcwid # 1 Main Channel in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does US 77 NB over Hcwid # 1 Main Channel carry?

About 11,204 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 77 NB over Hcwid # 1 Main Channel?

The structure is 140 ft (42.7 m) long with a longest span of 70 ft (21.3 m) and a deck 40 ft wide.

Who owns US 77 NB over Hcwid # 1 Main Channel?

It is owned by the State Highway Agency.