US Bridges

IH 35 Ml & Nbfr over Draw

Fair

Williamson County, Texas · 0.8 MI S of FM 620 · Structure no. 142460001509186

Built
1960
65 years old, rebuilt 1990
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
74 ft
7 main spans
Daily traffic
209,037
2021 count
Owner
State
State Highway Agency

About this bridge

IH 35 Ml & Nbfr over Draw is a concrete culvert carrying IH 35 Ml & Nbfr over Draw in Williamson County, Texas. It was built in 1960 and reconstructed in 1990, so it is 65 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 209,037 vehicles a day, roughly 10% of them trucks, projected to reach 334,459 by 2041. The structure is 74 ft (22.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Ml & Nbfr
CrossesDraw
Location0.8 MI S of FM 620
RouteInterstate 35
StateTexas
Coordinates30.49905, -97.68087
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
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 adequacy7: Better than 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 spans7
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209,037 (2021)
Projected traffic334,459 by 2041
Trucks10%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Ml & Nbfr over Draw built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.

What condition is IH 35 Ml & 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 January 2023.

How much traffic does IH 35 Ml & Nbfr over Draw carry?

About 209,037 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is IH 35 Ml & Nbfr over Draw?

The structure is 74 ft (22.6 m) long with a longest span of 7 ft (2.1 m).

Who owns IH 35 Ml & Nbfr over Draw?

It is owned by the State Highway Agency.