US Bridges

East Arsenal ST over San Antonio River

FairPosted for load

Bexar County, Texas · 0.20 MI E of S Main · Structure no. 150150B01410001

Built
1928
97 years old
Condition
Fair
inspected August 2023
Type
Truss - Thru
Steel
Length
107 ft
1 main span
Daily traffic
840
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

East Arsenal ST over San Antonio River is a steel truss - thru carrying East Arsenal ST over San Antonio River in Bexar County, Texas. It was built in 1928, so it is 97 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 840 vehicles a day, projected to reach 2,500 by 2031. The structure is 107 ft (32.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEast Arsenal ST
CrossesSan Antonio River
Location0.20 MI E of S Main
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.41556, -98.49411
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating20.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length107 ft (32.6 m)
Longest span103 ft (31.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2020)
Projected traffic2,500 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$386,000
NavigationNo navigation control on waterway

Frequently asked questions

When was East Arsenal ST over San Antonio River built?

It was built in 1928, making it 97 years old in 2025.

What condition is East Arsenal 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 East Arsenal ST over San Antonio River carry?

About 840 vehicles per day (2020 count).

How long is East Arsenal ST over San Antonio River?

The structure is 107 ft (32.6 m) long with a longest span of 103 ft (31.4 m) and a deck 40 ft wide.

Who owns East Arsenal ST over San Antonio River?

It is owned by the City or Municipal Highway Agency.