US Bridges

IH 35 Efr over Live Oak Slough

Good

Bexar County, Texas · 1.30 MI NE of Lp 1604 · Structure no. 150150001703327

Built
1977
48 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
101 ft
7 main spans
Daily traffic
4,251
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 Efr over Live Oak Slough is a concrete culvert carrying IH 35 Efr over Live Oak Slough in Bexar County, Texas. It was built in 1977, so it is 48 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,251 vehicles a day, roughly 4% of them trucks, projected to reach 5,951 by 2042. The structure is 101 ft (30.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Efr
CrossesLive Oak Slough
Location1.30 MI NE of Lp 1604
RouteInterstate 35
StateTexas
Coordinates29.28736, -98.64626
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than 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 spans7
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span10 ft (3 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,251 (2022)
Projected traffic5,951 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 Efr over Live Oak Slough built?

It was built in 1977, making it 48 years old in 2025.

What condition is IH 35 Efr over Live Oak Slough in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

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

About 4,251 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is IH 35 Efr over Live Oak Slough?

The structure is 101 ft (30.8 m) long with a longest span of 10 ft (3 m) and a deck 39 ft wide.

Who owns IH 35 Efr over Live Oak Slough?

It is owned by the State Highway Agency.