US Bridges

Quintana SB On-Rp over UP RR

Fair

Bexar County, Texas · 0.30 MI SW of SP 371 · Structure no. 150150B28425004

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
478 ft
1 main span
Daily traffic
1,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Quintana SB On-Rp over UP RR is a prestressed concrete stringer/multi-beam or girder carrying Quintana SB On-Rp over UP RR in Bexar County, Texas. It was built in 1975, so it is 50 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 1,500 vehicles a day, projected to reach 2,000 by 2042. The structure is 478 ft (145.7 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesQuintana SB On-Rp
CrossesUP RR
Location0.30 MI SW of SP 371
RouteCity Street 0
StateTexas
Coordinates29.38311, -98.55134
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+7 approach)
Design loadHS 20
Structure length478 ft (145.7 m)
Longest span86 ft (26.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic2,000 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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$709,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Quintana SB On-Rp over UP RR built?

It was built in 1975, making it 50 years old in 2025.

What condition is Quintana SB On-Rp over UP RR 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 July 2023.

How much traffic does Quintana SB On-Rp over UP RR carry?

About 1,500 vehicles per day (2022 count).

How long is Quintana SB On-Rp over UP RR?

The structure is 478 ft (145.7 m) long with a longest span of 86 ft (26.2 m) and a deck 26 ft wide.

Who owns Quintana SB On-Rp over UP RR?

It is owned by the City or Municipal Highway Agency.