US Bridges

FM 318 over Draw

Fair

Lavaca County, Texas · 1.00 MI SW of FM 531 · Structure no. 131430169601004

Built
1958
67 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
594
2020 count
Owner
State
State Highway Agency

About this bridge

FM 318 over Draw is a concrete culvert carrying FM 318 over Draw in Lavaca County, Texas. It was built in 1958, so it is 67 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 594 vehicles a day, roughly 10% of them trucks, projected to reach 860 by 2033. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM 318
CrossesDraw
Location1.00 MI SW of FM 531
RouteState Highway 318
CountyLavaca County
StateTexas
Coordinates29.33054, -97.07939
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic594 (2020)
Projected traffic860 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 318 over Draw built?

It was built in 1958, making it 67 years old in 2025.

What condition is FM 318 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 March 2023.

How much traffic does FM 318 over Draw carry?

About 594 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 318 over Draw?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 31 ft wide.

Who owns FM 318 over Draw?

It is owned by the State Highway Agency.