US Bridges

US 77 Nbfr over Hcwid No 1 Main Channel

Good

Willacy County, Texas · 0.8 MI S of FM 498 · Structure no. 212450032710041

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
5,088
2019 count
Owner
State
State Highway Agency

About this bridge

US 77 Nbfr over Hcwid No 1 Main Channel is a concrete stringer/multi-beam or girder carrying US 77 Nbfr 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 5,088 vehicles a day, roughly 23% of them trucks, projected to reach 12,350 by 2031. The structure is 141 ft (43 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 Nbfr
CrossesHcwid No 1 Main Channel
Location0.8 MI S of FM 498
RouteU.S. Route 77
StateTexas
Coordinates26.38999, -97.78451
Functional classRural Principal Arterial - Other

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.
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
ScourFoundations stable; scour above top of footing
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 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 width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,088 (2019)
Projected traffic12,350 by 2031
Trucks23%
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 Nbfr over Hcwid No 1 Main Channel built?

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

What condition is US 77 Nbfr 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 Nbfr over Hcwid No 1 Main Channel carry?

About 5,088 vehicles per day (2019 count), of which roughly 23% are trucks.

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

It is owned by the State Highway Agency.