US Bridges

IH 35 Nbfr over Draw

Fair

Bexar County, Texas · 3.01 MI S of FM 1976 · Structure no. 150150001710171

Built
1962
63 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
26 ft
4 main spans
Daily traffic
14,005
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbfr over Draw is a concrete culvert carrying IH 35 Nbfr over Draw in Bexar County, Texas. It was built in 1962, so it is 63 years old, older 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 14,005 vehicles a day, roughly 3% of them trucks, projected to reach 25,489 by 2042. The structure is 26 ft (7.9 m) long.

CarriesIH 35 Nbfr
CrossesDraw
Location3.01 MI S of FM 1976
RouteInterstate 35
StateTexas
Coordinates29.46726, -98.40726
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 spans4
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,005 (2022)
Projected traffic25,489 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Nbfr over Draw built?

It was built in 1962, making it 63 years old in 2025.

What condition is IH 35 Nbfr over Draw 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 June 2024.

How much traffic does IH 35 Nbfr over Draw carry?

About 14,005 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is IH 35 Nbfr over Draw?

The structure is 26 ft (7.9 m) long with a longest span of 5 ft (1.5 m).

Who owns IH 35 Nbfr over Draw?

It is owned by the State Highway Agency.