US Bridges

I-35 Sbfr over Draw

Good

Bexar County, Texas · 0.70 MI S of Lp 1604 · Structure no. 150150046501176

Built
1988
37 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
20,729
2020 count
Owner
State
State Highway Agency

About this bridge

I-35 Sbfr over Draw is a concrete culvert carrying I-35 Sbfr over Draw in Bexar County, Texas. It was built in 1988, so it is 37 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,729 vehicles a day, roughly 3% of them trucks, projected to reach 19,090 by 2034. The structure is 29 ft (8.8 m) long.

CarriesI-35 Sbfr
CrossesDraw
Location0.70 MI S of Lp 1604
RouteState Highway 0
StateTexas
Coordinates29.56201, -98.34181
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,729 (2020)
Projected traffic19,090 by 2034
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-35 Sbfr over Draw built?

It was built in 1988, making it 37 years old in 2025.

What condition is I-35 Sbfr over Draw in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does I-35 Sbfr over Draw carry?

About 20,729 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is I-35 Sbfr over Draw?

The structure is 29 ft (8.8 m) long with a longest span of 8 ft (2.4 m).

Who owns I-35 Sbfr over Draw?

It is owned by the State Highway Agency.