US Bridges

N Sabinas ST over Alazan Creek

Fair

Bexar County, Texas · 0.10 MI S of Ruiz ST · Structure no. 150150B29915001

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
135 ft
4 main spans
Daily traffic
1,293
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Sabinas ST over Alazan Creek is a prestressed concrete box beam or girders - multiple carrying N Sabinas ST over Alazan Creek in Bexar County, Texas. It was built in 1973, so it is 52 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 1,293 vehicles a day, projected to reach 2,000 by 2039. The structure is 135 ft (41.1 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesN Sabinas ST
CrossesAlazan Creek
Location0.10 MI S of Ruiz ST
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.43413, -98.51933
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum 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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span34 ft (10.4 m)
Deck width54 ft (16.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,293 (2020)
Projected traffic2,000 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$656,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Sabinas ST over Alazan Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is N Sabinas 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 N Sabinas ST over Alazan Creek carry?

About 1,293 vehicles per day (2020 count).

How long is N Sabinas ST over Alazan Creek?

The structure is 135 ft (41.1 m) long with a longest span of 34 ft (10.4 m) and a deck 54 ft wide.

Who owns N Sabinas ST over Alazan Creek?

It is owned by the City or Municipal Highway Agency.