US Bridges

US 77 over Big Rocky Creek

Good

Lavaca County, Texas · 1.00 MI N of FM 532W · Structure no. 131430026902045

Built
2022
3 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
2 main spans
Daily traffic
4,775
2020 count
Owner
State
State Highway Agency

About this bridge

US 77 over Big Rocky Creek is a prestressed concrete stringer/multi-beam or girder carrying US 77 over Big Rocky Creek in Lavaca County, Texas. It was built in 2022, so it is 3 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 4,775 vehicles a day, roughly 12% of them trucks, projected to reach 6,685 by 2040. The structure is 310 ft (94.5 m) long and 46 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUS 77
CrossesBig Rocky Creek
Location1.00 MI N of FM 532W
RouteU.S. Route 77
CountyLavaca County
StateTexas
Coordinates29.57953, -96.91648
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHL 93
Structure length310 ft (94.5 m)
Longest span120 ft (36.6 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,775 (2020)
Projected traffic6,685 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
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 over Big Rocky Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is US 77 over Big Rocky 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 March 2023.

How much traffic does US 77 over Big Rocky Creek carry?

About 4,775 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is US 77 over Big Rocky Creek?

The structure is 310 ft (94.5 m) long with a longest span of 120 ft (36.6 m) and a deck 46 ft wide.

Who owns US 77 over Big Rocky Creek?

It is owned by the State Highway Agency.