US Bridges

US 77 NB over Petronila Creek

Good

Nueces County, Texas · 0.5 MI NE of FM 665 · Structure no. 161780010216221

Built
2021
4 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,875 ft
15 main spans
Daily traffic
10,723
2022 count
Owner
State
State Highway Agency

About this bridge

US 77 NB over Petronila Creek is a prestressed concrete stringer/multi-beam or girder carrying US 77 NB over Petronila Creek in Nueces County, Texas. It was built in 2021, so it is 4 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 10,723 vehicles a day, roughly 36% of them trucks, projected to reach 17,379 by 2042. The structure is 1,875 ft (571.5 m) long and 40 ft wide.

CarriesUS 77 NB
CrossesPetronila Creek
Location0.5 MI NE of FM 665
RouteU.S. Route 77
StateTexas
Coordinates27.68027, -97.73843
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 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 spans15
Design loadHL 93
Structure length1,875 ft (571.5 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,723 (2022)
Projected traffic17,379 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 Petronila Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 77 NB over Petronila Creek 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 January 2024.

How much traffic does US 77 NB over Petronila Creek carry?

About 10,723 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is US 77 NB over Petronila Creek?

The structure is 1,875 ft (571.5 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns US 77 NB over Petronila Creek?

It is owned by the State Highway Agency.