US Bridges

FM 108 over Sandies Creek & Relief

Good

Gonzales County, Texas · 1.90 MI NE of US 87 · Structure no. 130900071501024

Built
2020
5 years old
Condition
Good
inspected January 2023
Type
Other
Prestressed Concrete
Length
365 ft
8 main spans
Daily traffic
1,091
2020 count
Owner
State
State Highway Agency

About this bridge

FM 108 over Sandies Creek & Relief is a prestressed concrete other carrying FM 108 over Sandies Creek & Relief 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 1,091 vehicles a day, roughly 25% of them trucks, projected to reach 1,527 by 2040. The structure is 365 ft (111.3 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFM 108
CrossesSandies Creek & Relief
Location1.90 MI NE of US 87
RouteState Highway 108
CountyGonzales County
StateTexas
Coordinates29.29201, -97.62055
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy6: Equal to 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 spans8
Design loadHL 93
Structure length365 ft (111.3 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,091 (2020)
Projected traffic1,527 by 2040
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 108 over Sandies Creek & Relief built?

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

What condition is FM 108 over Sandies Creek & Relief 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 108 over Sandies Creek & Relief carry?

About 1,091 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is FM 108 over Sandies Creek & Relief?

The structure is 365 ft (111.3 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns FM 108 over Sandies Creek & Relief?

It is owned by the State Highway Agency.