US Bridges

FM 108 over Draw

Fair

Gonzales County, Texas · 3.25 MI SW of SH 97 · Structure no. 130900071501009

Built
1947
78 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
26 ft
4 main spans
Daily traffic
675
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, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 675 vehicles a day, roughly 10% of them trucks, projected to reach 1,900 by 2040. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 108
CrossesDraw
Location3.25 MI SW of SH 97
RouteState Highway 108
StateTexas
Coordinates29.40814, -97.52281
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2020)
Projected traffic1,900 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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.

What condition is FM 108 over Draw in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does FM 108 over Draw carry?

About 675 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 108 over Draw?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m) and a deck 31 ft wide.

Who owns FM 108 over Draw?

It is owned by the State Highway Agency.