US Bridges

S Zarzamora ST over Drain

Good

Bexar County, Texas · 0.94 MI N. of Loop 410 · Structure no. 150150B38350006

Built
2009
16 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
20,214
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Zarzamora ST over Drain is a concrete culvert carrying S Zarzamora ST over Drain in Bexar County, Texas. It was built in 2009, so it is 16 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,214 vehicles a day, projected to reach 25,000 by 2042. The structure is 31 ft (9.4 m) long and 94 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS Zarzamora ST
CrossesDrain
Location0.94 MI N. of Loop 410
RouteCity Street 0
StateTexas
Coordinates29.3344, -98.53413
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span6 ft (1.8 m)
Deck width94 ft (28.7 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,214 (2020)
Projected traffic25,000 by 2042
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S Zarzamora ST over Drain built?

It was built in 2009, making it 16 years old in 2025.

What condition is S Zarzamora ST over Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does S Zarzamora ST over Drain carry?

About 20,214 vehicles per day (2020 count).

How long is S Zarzamora ST over Drain?

The structure is 31 ft (9.4 m) long with a longest span of 6 ft (1.8 m) and a deck 94 ft wide.

Who owns S Zarzamora ST over Drain?

It is owned by the City or Municipal Highway Agency.