US Bridges

US 77 NB over Gradalupe Riv Relief #4

Good

Victoria County, Texas · 2.20 MI SW of US 87 · Structure no. 132350235001209

Built
2017
8 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
360 ft
4 main spans
Daily traffic
8,228
2020 count
Owner
State
State Highway Agency

About this bridge

US 77 NB over Gradalupe Riv Relief #4 is a prestressed concrete stringer/multi-beam or girder carrying US 77 NB over Gradalupe Riv Relief #4 in Victoria County, Texas. It was built in 2017, so it is 8 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 8,228 vehicles a day, roughly 16% of them trucks, projected to reach 1 by 1900. The structure is 360 ft (109.7 m) long and 40 ft wide.

CarriesUS 77 NB
CrossesGradalupe Riv Relief #4
Location2.20 MI SW of US 87
RouteU.S. Route 77
StateTexas
Coordinates28.83968, -97.05575
Functional classUrban Other Principal 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.
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 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, precast panels
Main spans4
Design loadHL 93
Structure length360 ft (109.7 m)
Longest span90 ft (27.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,228 (2020)
Projected traffic1 by 1900
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Gradalupe Riv Relief #4 built?

It was built in 2017, making it 8 years old in 2025.

What condition is US 77 NB over Gradalupe Riv Relief #4 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 NB over Gradalupe Riv Relief #4 carry?

About 8,228 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is US 77 NB over Gradalupe Riv Relief #4?

The structure is 360 ft (109.7 m) long with a longest span of 90 ft (27.4 m) and a deck 40 ft wide.

Who owns US 77 NB over Gradalupe Riv Relief #4?

It is owned by the State Highway Agency.