US Bridges

FM 476 over Atascosa River

Fair

Atascosa County, Texas · 2.15 MI NW of Lp 242 · Structure no. 150070085302005

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
320 ft
8 main spans
Daily traffic
5,470
2020 count
Owner
State
State Highway Agency

About this bridge

FM 476 over Atascosa River is a concrete stringer/multi-beam or girder carrying FM 476 over Atascosa River in Atascosa County, Texas. It was built in 1962, so it is 63 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 5,470 vehicles a day, roughly 2% of them trucks, projected to reach 8,950 by 2033. The structure is 320 ft (97.5 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesFM 476
CrossesAtascosa River
Location2.15 MI NW of Lp 242
RouteState Highway 476
CountyAtascosa County
StateTexas
Coordinates29.00023, -98.51177
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,470 (2020)
Projected traffic8,950 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 476 over Atascosa River built?

It was built in 1962, making it 63 years old in 2025.

What condition is FM 476 over Atascosa River 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 May 2024.

How much traffic does FM 476 over Atascosa River carry?

About 5,470 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is FM 476 over Atascosa River?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns FM 476 over Atascosa River?

It is owned by the State Highway Agency.