US Bridges

Alametos ST over Drainage Ditch

Good

Bexar County, Texas · 0.35 MI E of IH 10 · Structure no. 150150B00375001

Built
1990
35 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
315
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alametos ST over Drainage Ditch is a concrete culvert carrying Alametos ST over Drainage Ditch in Bexar County, Texas. It was built in 1990, so it is 35 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 315 vehicles a day, projected to reach 500 by 2031. The structure is 36 ft (11 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAlametos ST
CrossesDrainage Ditch
Location0.35 MI E of IH 10
RouteCity Street 0
StateTexas
Coordinates29.47694, -98.51358
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length36 ft (11 m)
Longest span11 ft (3.4 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic315 (2020)
Projected traffic500 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Alametos ST over Drainage Ditch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Alametos ST over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Alametos ST over Drainage Ditch carry?

About 315 vehicles per day (2020 count).

How long is Alametos ST over Drainage Ditch?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.4 m) and a deck 42 ft wide.

Who owns Alametos ST over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.