US Bridges

IH 35 Sbfr over IH 410

Fair

Bexar County, Texas · 5.75 MI S of Lp 13 · Structure no. 150150001702304

Built
1960
65 years old, rebuilt 2009
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
325 ft
4 main spans
Daily traffic
49,352
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 Sbfr over IH 410 is a steel continuous stringer/multi-beam or girder carrying IH 35 Sbfr over IH 410 in Bexar County, Texas. It was built in 1960 and reconstructed in 2009, so it is 65 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 49,352 vehicles a day, roughly 26% of them trucks, projected to reach 64,158 by 2042. The structure is 325 ft (99.1 m) long and 40 ft wide.

CarriesIH 35 Sbfr
CrossesIH 410
Location5.75 MI S of Lp 13
RouteInterstate 35
StateTexas
Coordinates29.31694, -98.60862
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20
Structure length325 ft (99.1 m)
Longest span65 ft (19.8 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,352 (2022)
Projected traffic64,158 by 2042
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 Sbfr over IH 410 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2009.

What condition is IH 35 Sbfr over IH 410 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 Sbfr over IH 410 carry?

About 49,352 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is IH 35 Sbfr over IH 410?

The structure is 325 ft (99.1 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.

Who owns IH 35 Sbfr over IH 410?

It is owned by the State Highway Agency.