US Bridges

S Alamo ST over San Antonio River

Fair

Bexar County, Texas · 0.1 MI NE of Probandt ST · Structure no. 150150B00385001

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
93 ft
3 main spans
Daily traffic
4,032
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Alamo ST over San Antonio River is a concrete slab carrying S Alamo ST over San Antonio River in Bexar County, Texas. It was built in 1967, so it is 58 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 4,032 vehicles a day, roughly 1% of them trucks, projected to reach 1,000 by 2031. The structure is 93 ft (28.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Alamo ST
CrossesSan Antonio River
Location0.1 MI NE of Probandt ST
RouteCity Street 8095
StateTexas
Coordinates29.41044, -98.49512
Functional classUrban Minor Arterial

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width52 ft (15.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,032 (2020)
Projected traffic1,000 by 2031
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S Alamo ST over San Antonio River built?

It was built in 1967, making it 58 years old in 2025.

What condition is S Alamo ST over San Antonio 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 August 2023.

How much traffic does S Alamo ST over San Antonio River carry?

About 4,032 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is S Alamo ST over San Antonio River?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 52 ft wide.

Who owns S Alamo ST over San Antonio River?

It is owned by the City or Municipal Highway Agency.