US Bridges

Guadalupe ST Ml over Alazan Creek & UPRR

Fair

Bexar County, Texas · 0.3 MI W of IH 35 · Structure no. 150150B14975004

Built
1966
59 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,445 ft
19 main spans
Daily traffic
14,760
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Guadalupe ST Ml over Alazan Creek & UPRR is a steel continuous stringer/multi-beam or girder carrying Guadalupe ST Ml over Alazan Creek & UPRR in Bexar County, Texas. It was built in 1966, so it is 59 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 14,760 vehicles a day, projected to reach 16,000 by 2031. The structure is 1,445 ft (440.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesGuadalupe ST Ml
CrossesAlazan Creek & UPRR
Location0.3 MI W of IH 35
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.41792, -98.50974
Functional classUrban Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans19 (+7 approach)
Design loadHS 20
Structure length1,445 ft (440.4 m)
Longest span74 ft (22.6 m)
Deck width52 ft (15.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,760 (2011)
Projected traffic16,000 by 2031
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$151,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Guadalupe ST Ml over Alazan Creek & UPRR built?

It was built in 1966, making it 59 years old in 2025.

What condition is Guadalupe ST Ml over Alazan Creek & UPRR 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 Guadalupe ST Ml over Alazan Creek & UPRR carry?

About 14,760 vehicles per day (2011 count).

How long is Guadalupe ST Ml over Alazan Creek & UPRR?

The structure is 1,445 ft (440.4 m) long with a longest span of 74 ft (22.6 m) and a deck 52 ft wide.

Who owns Guadalupe ST Ml over Alazan Creek & UPRR?

It is owned by the City or Municipal Highway Agency.