US Bridges

FM 2504 over Atascosa River

Fair

Atascosa County, Texas · 7.50 MI NE of SH 173 · Structure no. 150070173802004

Built
2004
21 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
350 ft
14 main spans
Daily traffic
2,783
2020 count
Owner
State
State Highway Agency

About this bridge

FM 2504 over Atascosa River is a concrete continuous slab carrying FM 2504 over Atascosa River in Atascosa County, Texas. It was built in 2004, so it is 21 years old, younger 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 2,783 vehicles a day, roughly 23% of them trucks, projected to reach 2,360 by 2033. The structure is 350 ft (106.7 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 2504
CrossesAtascosa River
Location7.50 MI NE of SH 173
RouteState Highway 2504
StateTexas
Coordinates29.06764, -98.70074
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,783 (2020)
Projected traffic2,360 by 2033
Trucks23%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2504 over Atascosa River built?

It was built in 2004, making it 21 years old in 2025.

What condition is FM 2504 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 2504 over Atascosa River carry?

About 2,783 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is FM 2504 over Atascosa River?

The structure is 350 ft (106.7 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns FM 2504 over Atascosa River?

It is owned by the State Highway Agency.