US Bridges

US 79 over Draw

Good

Williamson County, Texas · 4.5 MI E JCT IH 35 · Structure no. 142460020401006

Built
1926
99 years old, rebuilt 2002
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
34,708
2021 count
Owner
State
State Highway Agency

About this bridge

US 79 over Draw is a concrete culvert carrying US 79 over Draw in Williamson County, Texas. It was built in 1926 and reconstructed in 2002, so it is 99 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 34,708 vehicles a day, roughly 6% of them trucks, projected to reach 50,674 by 2041. The structure is 21 ft (6.4 m) long and 170 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 79
CrossesDraw
Location4.5 MI E JCT IH 35
RouteU.S. Route 79
StateTexas
Coordinates30.53253, -97.61153
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to 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 spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width170 ft (51.8 m)
Roadway width95 ft (29 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,708 (2021)
Projected traffic50,674 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 US 79 over Draw built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2002.

What condition is US 79 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 February 2023.

How much traffic does US 79 over Draw carry?

About 34,708 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US 79 over Draw?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 170 ft wide.

Who owns US 79 over Draw?

It is owned by the State Highway Agency.