US Bridges

IH 410 Wbml over Zarzamora ST

Fair

Bexar County, Texas · 1.2 MI E of SH 16 · Structure no. 150150052105010

Built
2006
19 years old
Condition
Fair
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
1 main span
Daily traffic
16,391
2019 count
Owner
State
State Highway Agency

About this bridge

IH 410 Wbml over Zarzamora ST is a prestressed concrete stringer/multi-beam or girder carrying IH 410 Wbml over Zarzamora ST in Bexar County, Texas. It was built in 2006, so it is 19 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 16,391 vehicles a day, roughly 10% of them trucks, projected to reach 15,720 by 2033. The structure is 280 ft (85.3 m) long and 40 ft wide.

CarriesIH 410 Wbml
CrossesZarzamora ST
Location1.2 MI E of SH 16
RouteInterstate 410
StateTexas
Coordinates29.32023, -98.53259
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span124 ft (37.8 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,391 (2019)
Projected traffic15,720 by 2033
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 410 Wbml over Zarzamora ST built?

It was built in 2006, making it 19 years old in 2025.

What condition is IH 410 Wbml over Zarzamora ST 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 August 2022.

How much traffic does IH 410 Wbml over Zarzamora ST carry?

About 16,391 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is IH 410 Wbml over Zarzamora ST?

The structure is 280 ft (85.3 m) long with a longest span of 124 ft (37.8 m) and a deck 40 ft wide.

Who owns IH 410 Wbml over Zarzamora ST?

It is owned by the State Highway Agency.