US Bridges

IH 35 Nbfr over Draw

Fair

Hays County, Texas · 1.0 MI N of Loop 4 · Structure no. 141060001602006

Built
1935
90 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
12,647
2023 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 Hays County, Texas. It was built in 1935, so it is 90 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 5 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 12,647 vehicles a day, roughly 6% of them trucks, projected to reach 17,706 by 2042. The structure is 30 ft (9.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Nbfr
CrossesDraw
Location1.0 MI N of Loop 4
RouteInterstate 35
StateTexas
Coordinates30.05498, -97.83542
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span8 ft (2.4 m)
Deck width44 ft (13.4 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,647 (2023)
Projected traffic17,706 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 Nbfr over Draw built?

It was built in 1935, making it 90 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 August 2024.

How much traffic does IH 35 Nbfr over Draw carry?

About 12,647 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is IH 35 Nbfr over Draw?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m) and a deck 44 ft wide.

Who owns IH 35 Nbfr over Draw?

It is owned by the State Highway Agency.