US Bridges

Tampico ST over Alazan Creek

Fair

Bexar County, Texas · 0.10 MI W of S Medina ST · Structure no. 150150B33685001

Built
1969
56 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
188 ft
4 main spans
Daily traffic
227
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tampico ST over Alazan Creek is a prestressed concrete stringer/multi-beam or girder carrying Tampico ST over Alazan Creek in Bexar County, Texas. It was built in 1969, so it is 56 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 227 vehicles a day, projected to reach 727 by 2039. The structure is 188 ft (57.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesTampico ST
CrossesAlazan Creek
Location0.10 MI W of S Medina ST
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.41352, -98.50841
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length188 ft (57.3 m)
Longest span47 ft (14.3 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic227 (2018)
Projected traffic727 by 2039
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tampico ST over Alazan Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Tampico 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 August 2023.

How much traffic does Tampico ST over Alazan Creek carry?

About 227 vehicles per day (2018 count).

How long is Tampico ST over Alazan Creek?

The structure is 188 ft (57.3 m) long with a longest span of 47 ft (14.3 m) and a deck 38 ft wide.

Who owns Tampico ST over Alazan Creek?

It is owned by the City or Municipal Highway Agency.