US Bridges

SP 536 (steves Av) over San Antonio River

Fair

Bexar County, Texas · 0.05 MI NW of US 90 · Structure no. 150150001711089

Built
1954
71 years old, rebuilt 1967
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
156 ft
5 main spans
Daily traffic
8,973
2023 count
Owner
State
State Highway Agency

About this bridge

SP 536 (steves Av) over San Antonio River is a concrete continuous slab carrying SP 536 (steves Av) over San Antonio River in Bexar County, Texas. It was built in 1954 and reconstructed in 1967, so it is 71 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 8,973 vehicles a day, roughly 4% of them trucks, projected to reach 11,735 by 2042. The structure is 156 ft (47.5 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSP 536 (steves Av)
CrossesSan Antonio River
Location0.05 MI NW of US 90
RouteState Highway 536
CountyBexar County
StateTexas
Coordinates29.39579, -98.49121
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating51 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span34 ft (10.4 m)
Deck width78 ft (23.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,973 (2023)
Projected traffic11,735 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 SP 536 (steves Av) over San Antonio River built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1967.

What condition is SP 536 (steves Av) 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 May 2024.

How much traffic does SP 536 (steves Av) over San Antonio River carry?

About 8,973 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SP 536 (steves Av) over San Antonio River?

The structure is 156 ft (47.5 m) long with a longest span of 34 ft (10.4 m) and a deck 78 ft wide.

Who owns SP 536 (steves Av) over San Antonio River?

It is owned by the State Highway Agency.