US Bridges

FM 108 over Draw

Good

Gonzales County, Texas · 2.50 MI SW of FM 466 · Structure no. 130900071501005

Built
1947
78 years old, rebuilt 2012
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
727
2020 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 1947 and reconstructed in 2012, so it is 78 years old, older 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 727 vehicles a day, roughly 10% of them trucks, projected to reach 2,240 by 2040. The structure is 27 ft (8.2 m) long and 38 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 108
CrossesDraw
Location2.50 MI SW of FM 466
RouteState Highway 108
StateTexas
Coordinates29.37065, -97.56657
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic727 (2020)
Projected traffic2,240 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
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 1947, making it 78 years old in 2025. It was reconstructed in 2012.

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 January 2023.

How much traffic does FM 108 over Draw carry?

About 727 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 108 over Draw?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m) and a deck 38 ft wide.

Who owns FM 108 over Draw?

It is owned by the State Highway Agency.