US Bridges

IH 35 NB over IH 10 WB / Drain

Fair

Bexar County, Texas · Downtown Y · Structure no. 150150007212366

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,377 ft
8 main spans
Daily traffic
139,713
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB over IH 10 WB / Drain is a steel continuous stringer/multi-beam or girder carrying IH 35 NB over IH 10 WB / Drain in Bexar County, Texas. It was built in 1991, so it is 34 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 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 139,713 vehicles a day, roughly 11% of them trucks, projected to reach 195,598 by 2042. The structure is 1,377 ft (419.7 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesIH 35 NB
CrossesIH 10 WB / Drain
LocationDowntown Y
RouteInterstate 35
CountyBexar County
StateTexas
Coordinates29.43074, -98.50025
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+11 approach)
Design loadHS 20
Structure length1,377 ft (419.7 m)
Longest span95 ft (29 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic139,713 (2023)
Projected traffic195,598 by 2042
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 NB over IH 10 WB / Drain built?

It was built in 1991, making it 34 years old in 2025.

What condition is IH 35 NB over IH 10 WB / Drain 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 July 2024.

How much traffic does IH 35 NB over IH 10 WB / Drain carry?

About 139,713 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is IH 35 NB over IH 10 WB / Drain?

The structure is 1,377 ft (419.7 m) long with a longest span of 95 ft (29 m) and a deck 40 ft wide.

Who owns IH 35 NB over IH 10 WB / Drain?

It is owned by the State Highway Agency.