US Bridges

IH 35 NB Lower Lev over Parking Area

Fair

Bexar County, Texas · 0.20 MI N of SP 536 · Structure no. 150150001710342

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
195 ft
2 main spans
Daily traffic
43,374
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB Lower Lev over Parking Area is a prestressed concrete continuous segmental box girder carrying IH 35 NB Lower Lev over Parking Area 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 43,374 vehicles a day, roughly 9% of them trucks, projected to reach 242,292 by 2042. The structure is 195 ft (59.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 35 NB Lower Lev
CrossesParking Area
Location0.20 MI N of SP 536
RouteInterstate 35
CountyBexar County
StateTexas
Coordinates29.41357, -98.50549
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 inspectionMay 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans2
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span98 ft (29.9 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,374 (2023)
Projected traffic242,292 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
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 NB Lower Lev over Parking Area built?

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

What condition is IH 35 NB Lower Lev over Parking Area 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 NB Lower Lev over Parking Area carry?

About 43,374 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is IH 35 NB Lower Lev over Parking Area?

The structure is 195 ft (59.4 m) long with a longest span of 98 ft (29.9 m) and a deck 40 ft wide.

Who owns IH 35 NB Lower Lev over Parking Area?

It is owned by the State Highway Agency.