US Bridges

E Martin ST over San Antonio River

FairPosted for load

Bexar County, Texas · 0.1 MI E of Soledad ST · Structure no. 150150B21980015

Built
1927
98 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
106 ft
2 main spans
Daily traffic
2,464
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Martin ST over San Antonio River is a concrete continuous tee beam carrying E Martin ST over San Antonio River in Bexar County, Texas. It was built in 1927, so it is 98 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,464 vehicles a day, projected to reach 13,500 by 2031. The structure is 106 ft (32.3 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesE Martin ST
CrossesSan Antonio River
Location0.1 MI E of Soledad ST
RouteCity Street 8079
CountyBexar County
StateTexas
Coordinates29.4293, -98.4925
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length106 ft (32.3 m)
Longest span52 ft (15.9 m)
Deck width57 ft (17.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,464 (2020)
Projected traffic13,500 by 2031
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 E Martin ST over San Antonio River built?

It was built in 1927, making it 98 years old in 2025.

What condition is E Martin ST over San Antonio River 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 E Martin ST over San Antonio River carry?

About 2,464 vehicles per day (2020 count).

How long is E Martin ST over San Antonio River?

The structure is 106 ft (32.3 m) long with a longest span of 52 ft (15.9 m) and a deck 57 ft wide.

Who owns E Martin ST over San Antonio River?

It is owned by the City or Municipal Highway Agency.