US Bridges

IH 35 SB on Ramp over IH 35 SB Off Ramp

Fair

Bexar County, Texas · 0.80 MI W of IH 37 · Structure no. 150150001710365

Built
1994
31 years old
Condition
Fair
inspected May 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
160 ft
2 main spans
Daily traffic
19,060
2013 count
Owner
State
State Highway Agency

About this bridge

IH 35 SB on Ramp over IH 35 SB Off Ramp is a prestressed concrete continuous segmental box girder carrying IH 35 SB on Ramp over IH 35 SB Off Ramp in Bexar County, Texas. It was built in 1994, so it is 31 years old, younger 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 19,060 vehicles a day, roughly 12% of them trucks, projected to reach 26,690 by 2033. The structure is 160 ft (48.8 m) long and 26 ft wide.

CarriesIH 35 SB on Ramp
CrossesIH 35 SB Off Ramp
Location0.80 MI W of IH 37
RouteInterstate 35
StateTexas
Coordinates29.43748, -98.49149
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span85 ft (25.9 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,060 (2013)
Projected traffic26,690 by 2033
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 SB on Ramp over IH 35 SB Off Ramp built?

It was built in 1994, making it 31 years old in 2025.

What condition is IH 35 SB on Ramp over IH 35 SB Off Ramp 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 SB on Ramp over IH 35 SB Off Ramp carry?

About 19,060 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is IH 35 SB on Ramp over IH 35 SB Off Ramp?

The structure is 160 ft (48.8 m) long with a longest span of 85 ft (25.9 m) and a deck 26 ft wide.

Who owns IH 35 SB on Ramp over IH 35 SB Off Ramp?

It is owned by the State Highway Agency.