US Bridges

Quintana Road over Live Oak Slough

Fair

Bexar County, Texas · 0.7 MI NW of IH35 S · Structure no. 150150AA0853001

Built
1925
100 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
53 ft
6 main spans
Daily traffic
321
2020 count
Owner
County
County Highway Agency

About this bridge

Quintana Road over Live Oak Slough is a concrete culvert carrying Quintana Road over Live Oak Slough in Bexar County, Texas. It was built in 1925, so it is 100 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 5 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 321 vehicles a day, projected to reach 450 by 2027. The structure is 53 ft (16.2 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesQuintana Road
CrossesLive Oak Slough
Location0.7 MI NW of IH35 S
RouteCounty Highway 0
CountyBexar County
StateTexas
Coordinates29.28864, -98.65442
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
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 spans6
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span8 ft (2.4 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic321 (2020)
Projected traffic450 by 2027
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Quintana Road over Live Oak Slough built?

It was built in 1925, making it 100 years old in 2025.

What condition is Quintana Road over Live Oak Slough 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 Quintana Road over Live Oak Slough carry?

About 321 vehicles per day (2020 count).

How long is Quintana Road over Live Oak Slough?

The structure is 53 ft (16.2 m) long with a longest span of 8 ft (2.4 m) and a deck 21 ft wide.

Who owns Quintana Road over Live Oak Slough?

It is owned by the County Highway Agency.