US Bridges

FM 77 over Sandies Creek

Good

Gonzales County, Texas · 3.90 MI NE of US 87 · Structure no. 130900068701006

Built
2020
5 years old
Condition
Good
inspected January 2023
Type
Other
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
280
2020 count
Owner
State
State Highway Agency

About this bridge

FM 77 over Sandies Creek is a prestressed concrete other carrying FM 77 over Sandies Creek in Gonzales County, Texas. It was built in 2020, so it is 5 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 280 vehicles a day, roughly 19% of them trucks, projected to reach 580 by 2040. The structure is 120 ft (36.6 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM 77
CrossesSandies Creek
Location3.90 MI NE of US 87
RouteState Highway 77
CountyGonzales County
StateTexas
Coordinates29.32037, -97.68305
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic580 by 2040
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 77 over Sandies Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is FM 77 over Sandies 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 2023.

How much traffic does FM 77 over Sandies Creek carry?

About 280 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is FM 77 over Sandies Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns FM 77 over Sandies Creek?

It is owned by the State Highway Agency.