US Bridges

Augusta Street over San Antonio River

PoorPosted for load

Bexar County, Texas · 0.05 MI N of Convent ST · Structure no. 150150B00275001

Built
1900
125 years old
Condition
Poor
inspected August 2023
Type
Truss - Thru
Steel
Length
101 ft
1 main span
Daily traffic
223
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Augusta Street over San Antonio River is a steel truss - thru carrying Augusta Street over San Antonio River in Bexar County, Texas. It was built in 1900, so it is 125 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 223 vehicles a day, projected to reach 2,000 by 2031. The structure is 101 ft (30.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAugusta Street
CrossesSan Antonio River
Location0.05 MI N of Convent ST
RouteCity Street 0
StateTexas
Coordinates29.43034, -98.49254
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, 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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length101 ft (30.8 m)
Longest span98 ft (29.9 m)
Deck width43 ft (13 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic223 (2020)
Projected traffic2,000 by 2031
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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$386,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Augusta Street over San Antonio River built?

It was built in 1900, making it 125 years old in 2025.

What condition is Augusta Street over San Antonio River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Augusta Street over San Antonio River carry?

About 223 vehicles per day (2020 count).

How long is Augusta Street over San Antonio River?

The structure is 101 ft (30.8 m) long with a longest span of 98 ft (29.9 m) and a deck 43 ft wide.

Who owns Augusta Street over San Antonio River?

It is owned by the City or Municipal Highway Agency.