US Bridges

FM 108 over Draw

Good

Gonzales County, Texas · 8.55 MI S of US 87 · Structure no. 130900071502028

Built
2022
3 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
589
2021 count
Owner
State
State Highway Agency

About this bridge

FM 108 over Draw is a concrete culvert carrying FM 108 over Draw in Gonzales 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 589 vehicles a day, roughly 21% of them trucks, projected to reach 825 by 2041. The structure is 33 ft (10 m) long and 47 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFM 108
CrossesDraw
Location8.55 MI S of US 87
RouteState Highway 108
StateTexas
Coordinates29.14973, -97.60303
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable 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 typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length33 ft (10 m)
Longest span10 ft (3 m)
Deck width47 ft (14.3 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic589 (2021)
Projected traffic825 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Draw built?

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

What condition is FM 108 over Draw 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 February 2023.

How much traffic does FM 108 over Draw carry?

About 589 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is FM 108 over Draw?

The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.

Who owns FM 108 over Draw?

It is owned by the State Highway Agency.