US Bridges

Babcock RD over Zarzamora Creek

Fair

Bexar County, Texas · 0.30 MI NW of Wurzbach RD · Structure no. 150150B01900004

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
58 ft
6 main spans
Daily traffic
40,584
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Babcock RD over Zarzamora Creek is a concrete culvert carrying Babcock RD over Zarzamora Creek in Bexar County, Texas. It was built in 1972, so it is 53 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 40,584 vehicles a day, projected to reach 50,000 by 2031. The structure is 58 ft (17.7 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBabcock RD
CrossesZarzamora Creek
Location0.30 MI NW of Wurzbach RD
RouteCity Street 8002
CountyBexar County
StateTexas
Coordinates29.50754, -98.588
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length58 ft (17.7 m)
Longest span9 ft (2.7 m)
Deck width110 ft (33.5 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,584 (2019)
Projected traffic50,000 by 2031
Trucks0%
Lanes on structure7
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$11,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Babcock RD over Zarzamora Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Babcock RD over Zarzamora 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 June 2023.

How much traffic does Babcock RD over Zarzamora Creek carry?

About 40,584 vehicles per day (2019 count).

How long is Babcock RD over Zarzamora Creek?

The structure is 58 ft (17.7 m) long with a longest span of 9 ft (2.7 m) and a deck 110 ft wide.

Who owns Babcock RD over Zarzamora Creek?

It is owned by the City or Municipal Highway Agency.