US Bridges

US 77 Bus over Hcwid No 1 Main Channel

Good

Willacy County, Texas · 0.75 MI S of FM 498 · Structure no. 212450032707040

Built
1984
41 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
141 ft
4 main spans
Daily traffic
2,150
2011 count
Owner
State
State Highway Agency

About this bridge

US 77 Bus over Hcwid No 1 Main Channel is a concrete stringer/multi-beam or girder carrying US 77 Bus over Hcwid No 1 Main Channel in Willacy County, Texas. It was built in 1984, so it is 41 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 2,150 vehicles a day, roughly 16% of them trucks, projected to reach 3,010 by 2031. The structure is 141 ft (43 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 77 Bus
CrossesHcwid No 1 Main Channel
Location0.75 MI S of FM 498
RouteState Highway 77
StateTexas
Coordinates26.38993, -97.79105
Functional classRural Major Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length141 ft (43 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.9 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2011)
Projected traffic3,010 by 2031
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 US 77 Bus over Hcwid No 1 Main Channel built?

It was built in 1984, making it 41 years old in 2025.

What condition is US 77 Bus over Hcwid No 1 Main Channel 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 February 2023.

How much traffic does US 77 Bus over Hcwid No 1 Main Channel carry?

About 2,150 vehicles per day (2011 count), of which roughly 16% are trucks.

How long is US 77 Bus over Hcwid No 1 Main Channel?

The structure is 141 ft (43 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns US 77 Bus over Hcwid No 1 Main Channel?

It is owned by the State Highway Agency.