US Bridges

FM 1433 over Live Oak Slough

Fair

Dimmit County, Texas · 2.6 MI E of US 83 · Structure no. 220640142402004

Built
1954
71 years old, rebuilt 2000
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
468
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1433 over Live Oak Slough is a concrete culvert carrying FM 1433 over Live Oak Slough in Dimmit County, Texas. It was built in 1954 and reconstructed in 2000, so it is 71 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 5 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 468 vehicles a day, roughly 4% of them trucks, projected to reach 1,210 by 2033. The structure is 43 ft (13.1 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFM 1433
CrossesLive Oak Slough
Location2.6 MI E of US 83
RouteState Highway 1433
CountyDimmit County
StateTexas
Coordinates28.58652, -99.7964
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width58 ft (17.8 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic468 (2020)
Projected traffic1,210 by 2033
Trucks4%
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 1433 over Live Oak Slough built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2000.

What condition is FM 1433 over Live Oak Slough 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 December 2022.

How much traffic does FM 1433 over Live Oak Slough carry?

About 468 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FM 1433 over Live Oak Slough?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 58 ft wide.

Who owns FM 1433 over Live Oak Slough?

It is owned by the State Highway Agency.