US Bridges

S Zarzamora ST over Six Mile Creek Trib

Fair

Bexar County, Texas · 0.2 MI S of SW Milit. Dr. · Structure no. 150150B38350008

Built
1953
72 years old, rebuilt 1955
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
8,787
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Zarzamora ST over Six Mile Creek Trib is a concrete culvert carrying S Zarzamora ST over Six Mile Creek Trib in Bexar County, Texas. It was built in 1953 and reconstructed in 1955, so it is 72 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 8,787 vehicles a day, projected to reach 35,000 by 2042. The structure is 39 ft (11.9 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS Zarzamora ST
CrossesSix Mile Creek Trib
Location0.2 MI S of SW Milit. Dr.
RouteCity Street 8114
StateTexas
Coordinates29.35459, -98.53419
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span9 ft (2.7 m)
Deck width95 ft (29 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,787 (2020)
Projected traffic35,000 by 2042
Trucks0%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S Zarzamora ST over Six Mile Creek Trib built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1955.

What condition is S Zarzamora ST over Six Mile Creek Trib 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 July 2023.

How much traffic does S Zarzamora ST over Six Mile Creek Trib carry?

About 8,787 vehicles per day (2020 count).

How long is S Zarzamora ST over Six Mile Creek Trib?

The structure is 39 ft (11.9 m) long with a longest span of 9 ft (2.7 m) and a deck 95 ft wide.

Who owns S Zarzamora ST over Six Mile Creek Trib?

It is owned by the City or Municipal Highway Agency.