US Bridges

Parkway DR over Trib of Zarzamora CR

Good

Bexar County, Texas · 0.10 MI S of Callaghan · Structure no. 150150B26510001

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
514
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Parkway DR over Trib of Zarzamora CR is a concrete culvert carrying Parkway DR over Trib of Zarzamora CR in Bexar County, Texas. It was built in 2003, so it is 22 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 514 vehicles a day, projected to reach 500 by 2033. The structure is 33 ft (10.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesParkway DR
CrossesTrib of Zarzamora CR
Location0.10 MI S of Callaghan
RouteCity Street 0
StateTexas
Coordinates29.47677, -98.59004
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than 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 length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic514 (2020)
Projected traffic500 by 2033
Trucks0%
Lanes on structure2
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 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 Parkway DR over Trib of Zarzamora CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Parkway DR over Trib of Zarzamora CR 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 August 2023.

How much traffic does Parkway DR over Trib of Zarzamora CR carry?

About 514 vehicles per day (2020 count).

How long is Parkway DR over Trib of Zarzamora CR?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns Parkway DR over Trib of Zarzamora CR?

It is owned by the City or Municipal Highway Agency.