US Bridges

Spur 536 over Six Mile Creek

Fair

Bexar County, Texas · 1.20 MI S of Loop 13 · Structure no. 150150025306030

Built
1934
91 years old, rebuilt 1955
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
120 ft
4 main spans
Daily traffic
14,883
2016 count
Owner
State
State Highway Agency

About this bridge

Spur 536 over Six Mile Creek is a concrete tee beam carrying Spur 536 over Six Mile Creek in Bexar County, Texas. It was built in 1934 and reconstructed in 1955, so it is 91 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 14,883 vehicles a day, roughly 7% of them trucks, projected to reach 20,840 by 2036. The structure is 120 ft (36.6 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpur 536
CrossesSix Mile Creek
Location1.20 MI S of Loop 13
RouteState Highway 536
StateTexas
Coordinates29.33697, -98.48124
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating48 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width62 ft (18.9 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,883 (2016)
Projected traffic20,840 by 2036
Trucks7%
Lanes on structure4
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 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 Spur 536 over Six Mile Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1955.

What condition is Spur 536 over Six Mile Creek 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 2024.

How much traffic does Spur 536 over Six Mile Creek carry?

About 14,883 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is Spur 536 over Six Mile Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 62 ft wide.

Who owns Spur 536 over Six Mile Creek?

It is owned by the State Highway Agency.