US Bridges

FM 108 over Sugar Creek

Good

Gonzales County, Texas · 6.60 MI NE of US 87 · Structure no. 130900071501026

Built
2020
5 years old
Condition
Good
inspected January 2023
Type
Other
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
969
2020 count
Owner
State
State Highway Agency

About this bridge

FM 108 over Sugar Creek is a prestressed concrete other carrying FM 108 over Sugar 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 969 vehicles a day, roughly 25% of them trucks, projected to reach 1,163 by 2040. The structure is 120 ft (36.6 m) long and 42 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFM 108
CrossesSugar Creek
Location6.60 MI NE of US 87
RouteState Highway 108
StateTexas
Coordinates29.34428, -97.59324
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.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable 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

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 width42 ft (12.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic969 (2020)
Projected traffic1,163 by 2040
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Sugar Creek built?

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

What condition is FM 108 over Sugar 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 108 over Sugar Creek carry?

About 969 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is FM 108 over Sugar Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns FM 108 over Sugar Creek?

It is owned by the State Highway Agency.