US Bridges

S Laredo ST over Alazan Creek

Good

Bexar County, Texas · 0.05 MI W of IH 35 · Structure no. 150150B19770006

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
266 ft
7 main spans
Daily traffic
14,227
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Laredo ST over Alazan Creek is a prestressed concrete box beam or girders - multiple carrying S Laredo ST over Alazan Creek in Bexar County, Texas. It was built in 2011, so it is 14 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 14,227 vehicles a day, roughly 13% of them trucks, projected to reach 117,510 by 2031. The structure is 266 ft (81.1 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS Laredo ST
CrossesAlazan Creek
Location0.05 MI W of IH 35
RouteCity Street 0
StateTexas
Coordinates29.41136, -98.50899
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length266 ft (81.1 m)
Longest span38 ft (11.6 m)
Deck width64 ft (19.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,227 (2020)
Projected traffic117,510 by 2031
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Laredo ST over Alazan Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is S Laredo ST over Alazan Creek 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 S Laredo ST over Alazan Creek carry?

About 14,227 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is S Laredo ST over Alazan Creek?

The structure is 266 ft (81.1 m) long with a longest span of 38 ft (11.6 m) and a deck 64 ft wide.

Who owns S Laredo ST over Alazan Creek?

It is owned by the City or Municipal Highway Agency.