US Bridges

IH 35 Wfr over Live Oak Slough

Fair

Bexar County, Texas · 1.40 MI NE of Lp 1604 · Structure no. 150150001703048

Built
1934
91 years old, rebuilt 1974
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
99 ft
15 main spans
Daily traffic
1,550
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 Wfr over Live Oak Slough is a concrete culvert carrying IH 35 Wfr over Live Oak Slough in Bexar County, Texas. It was built in 1934 and reconstructed in 1974, so it is 91 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 1,550 vehicles a day, roughly 5% of them trucks, projected to reach 2,170 by 2042. The structure is 99 ft (30.2 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Wfr
CrossesLive Oak Slough
Location1.40 MI NE of Lp 1604
RouteInterstate 35
StateTexas
Coordinates29.28787, -98.64654
Functional classUrban Collector

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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to 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 spans15
Design loadH 15
Structure length99 ft (30.2 m)
Longest span6 ft (1.8 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2022)
Projected traffic2,170 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Wfr over Live Oak Slough built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1974.

What condition is IH 35 Wfr 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 Wfr over Live Oak Slough carry?

About 1,550 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is IH 35 Wfr over Live Oak Slough?

The structure is 99 ft (30.2 m) long with a longest span of 6 ft (1.8 m) and a deck 37 ft wide.

Who owns IH 35 Wfr over Live Oak Slough?

It is owned by the State Highway Agency.