US Bridges

IH 35 over Draw

Good

Frio County, Texas · 1.50 MI N of FM 140 · Structure no. 150830001706250

Built
1973
52 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
43 ft
5 main spans
Daily traffic
17,397
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35 over Draw is a concrete culvert carrying IH 35 over Draw in Frio County, Texas. It was built in 1973, so it is 52 years old, older 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 17,397 vehicles a day, roughly 20% of them trucks, projected to reach 37,330 by 2033. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesIH 35
CrossesDraw
Location1.50 MI N of FM 140
RouteInterstate 35
StateTexas
Coordinates28.91954, -99.10473
Functional classUrban Principal Arterial - Interstate

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 inspectionJuly 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 spans5
Design loadHS 20
Structure length43 ft (13.1 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 traffic17,397 (2020)
Projected traffic37,330 by 2033
Trucks20%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 over Draw built?

It was built in 1973, making it 52 years old in 2025.

What condition is IH 35 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 July 2024.

How much traffic does IH 35 over Draw carry?

About 17,397 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is IH 35 over Draw?

The structure is 43 ft (13.1 m) long with a longest span of 8 ft (2.4 m).

Who owns IH 35 over Draw?

It is owned by the State Highway Agency.