US Bridges

SH 173 over Padilla Creek

Good

Atascosa County, Texas · 1.75 MI SE of FM 2504 · Structure no. 150070042104007

Built
1940
85 years old, rebuilt 1964
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
2,448
2020 count
Owner
State
State Highway Agency

About this bridge

SH 173 over Padilla Creek is a concrete slab carrying SH 173 over Padilla Creek in Atascosa County, Texas. It was built in 1940 and reconstructed in 1964, so it is 85 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,448 vehicles a day, roughly 6% of them trucks, projected to reach 4,050 by 2033. The structure is 100 ft (30.5 m) long and 42 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSH 173
CrossesPadilla Creek
Location1.75 MI SE of FM 2504
RouteState Highway 173
StateTexas
Coordinates29.01303, -98.76446
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,448 (2020)
Projected traffic4,050 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 SH 173 over Padilla Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1964.

What condition is SH 173 over Padilla Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does SH 173 over Padilla Creek carry?

About 2,448 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SH 173 over Padilla Creek?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns SH 173 over Padilla Creek?

It is owned by the State Highway Agency.