US Bridges

FM 582 over Espantosa Slough

Fair

Zavala County, Texas · 1.0 MI E of FM 1433 · Structure no. 222540087805006

Built
1952
73 years old
Condition
Fair
inspected November 2022
Type
Culvert
Concrete
Length
86 ft
10 main spans
Daily traffic
586
2024 count
Owner
State
State Highway Agency

About this bridge

FM 582 over Espantosa Slough is a concrete culvert carrying FM 582 over Espantosa Slough in Zavala County, Texas. It was built in 1952, so it is 73 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 586 vehicles a day, roughly 6% of them trucks, projected to reach 710 by 2037. The structure is 86 ft (26.2 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFM 582
CrossesEspantosa Slough
Location1.0 MI E of FM 1433
RouteState Highway 582
CountyZavala County
StateTexas
Coordinates28.69201, -99.80811
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
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 adequacy2: Basically intolerable, requiring high priority of replacement
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 spans10
Design loadOther
Structure length86 ft (26.2 m)
Longest span8 ft (2.4 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic586 (2024)
Projected traffic710 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 582 over Espantosa Slough built?

It was built in 1952, making it 73 years old in 2025.

What condition is FM 582 over Espantosa 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 November 2022.

How much traffic does FM 582 over Espantosa Slough carry?

About 586 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is FM 582 over Espantosa Slough?

The structure is 86 ft (26.2 m) long with a longest span of 8 ft (2.4 m) and a deck 27 ft wide.

Who owns FM 582 over Espantosa Slough?

It is owned by the State Highway Agency.