US Bridges

IH 35 over Live Oak Slough

Fair

Bexar County, Texas · 1.30 MI NE of Lp 1604 · Structure no. 150150001703118

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
111 ft
9 main spans
Daily traffic
53,013
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 over Live Oak Slough is a concrete culvert carrying IH 35 over Live Oak Slough in Bexar County, Texas. It was built in 1957, so it is 68 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 53,013 vehicles a day, roughly 29% of them trucks, projected to reach 74,218 by 2042. The structure is 111 ft (33.8 m) long and 129 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 35
CrossesLive Oak Slough
Location1.30 MI NE of Lp 1604
RouteInterstate 35
CountyBexar County
StateTexas
Coordinates29.28753, -98.64662
Functional classUrban Principal Arterial - Interstate

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span10 ft (3 m)
Deck width129 ft (39.4 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,013 (2022)
Projected traffic74,218 by 2042
Trucks29%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 IH 35 over Live Oak Slough built?

It was built in 1957, making it 68 years old in 2025.

What condition is IH 35 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 May 2024.

How much traffic does IH 35 over Live Oak Slough carry?

About 53,013 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is IH 35 over Live Oak Slough?

The structure is 111 ft (33.8 m) long with a longest span of 10 ft (3 m) and a deck 129 ft wide.

Who owns IH 35 over Live Oak Slough?

It is owned by the State Highway Agency.