US Bridges

W Poplar ST over Alazan Creek

Fair

Bexar County, Texas · 0.10 MI W of Zarzamora · Structure no. 150150B27820002

Built
1964
61 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
130 ft
4 main spans
Daily traffic
8,750
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Poplar ST over Alazan Creek is a concrete slab carrying W Poplar ST over Alazan Creek in Bexar County, Texas. It was built in 1964, so it is 61 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 8,750 vehicles a day, projected to reach 10,000 by 2039. The structure is 130 ft (39.6 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW Poplar ST
CrossesAlazan Creek
Location0.10 MI W of Zarzamora
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.44094, -98.52762
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating66 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length130 ft (39.6 m)
Longest span33 ft (10.1 m)
Deck width56 ft (17.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,750 (2019)
Projected traffic10,000 by 2039
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$130,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W Poplar ST over Alazan Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is W Poplar ST over Alazan 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 August 2023.

How much traffic does W Poplar ST over Alazan Creek carry?

About 8,750 vehicles per day (2019 count).

How long is W Poplar ST over Alazan Creek?

The structure is 130 ft (39.6 m) long with a longest span of 33 ft (10.1 m) and a deck 56 ft wide.

Who owns W Poplar ST over Alazan Creek?

It is owned by the City or Municipal Highway Agency.