US Bridges

W Martin ST over Alazan Creek

Fair

Bexar County, Texas · 0.05 MI W of San Jacinto · Structure no. 150150B21985011

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
174 ft
5 main spans
Daily traffic
2,939
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Martin ST over Alazan Creek is a concrete continuous slab carrying W Martin 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 2,939 vehicles a day, roughly 1% of them trucks, projected to reach 10,000 by 2031. The structure is 174 ft (53 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW Martin ST
CrossesAlazan Creek
Location0.05 MI W of San Jacinto
RouteCity Street 8079
CountyBexar County
StateTexas
Coordinates29.43111, -98.51602
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 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 Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length174 ft (53 m)
Longest span36 ft (11 m)
Deck width52 ft (15.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,939 (2020)
Projected traffic10,000 by 2031
Trucks1%
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 statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$19,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W Martin ST over Alazan Creek built?

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

What condition is W Martin 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 May 2023.

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

About 2,939 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is W Martin ST over Alazan Creek?

The structure is 174 ft (53 m) long with a longest span of 36 ft (11 m) and a deck 52 ft wide.

Who owns W Martin ST over Alazan Creek?

It is owned by the City or Municipal Highway Agency.