US Bridges

W Commerce ST over Zarzamora Creek

Fair

Bexar County, Texas · 0.90 MI E of Callaghan · Structure no. 150150B07510001

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
92 ft
3 main spans
Daily traffic
9,738
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Commerce ST over Zarzamora Creek is a concrete slab carrying W Commerce ST over Zarzamora Creek in Bexar County, Texas. It was built in 1974, so it is 51 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 9,738 vehicles a day, projected to reach 10,209 by 2031. The structure is 92 ft (28 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW Commerce ST
CrossesZarzamora Creek
Location0.90 MI E of Callaghan
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.43368, -98.58475
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length92 ft (28 m)
Longest span30 ft (9.1 m)
Deck width54 ft (16.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,738 (2015)
Projected traffic10,209 by 2031
Trucks0%
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

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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W Commerce ST over Zarzamora Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is W Commerce ST 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 May 2023.

How much traffic does W Commerce ST over Zarzamora Creek carry?

About 9,738 vehicles per day (2015 count).

How long is W Commerce ST over Zarzamora Creek?

The structure is 92 ft (28 m) long with a longest span of 30 ft (9.1 m) and a deck 54 ft wide.

Who owns W Commerce ST over Zarzamora Creek?

It is owned by the City or Municipal Highway Agency.