US Bridges

Lp 1 SB over William Cannon Drive

Good

Travis County, Texas · 1.2 MI S of US 290 · Structure no. 142270313601137

Built
2005
20 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
310 ft
1 main span
Daily traffic
44,786
2022 count
Owner
State
State Highway Agency

About this bridge

Lp 1 SB over William Cannon Drive is a steel continuous stringer/multi-beam or girder carrying Lp 1 SB over William Cannon Drive in Travis County, Texas. It was built in 2005, so it is 20 years old, younger 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 44,786 vehicles a day, roughly 3% of them trucks, projected to reach 62,700 by 2042. The structure is 310 ft (94.5 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLp 1 SB
CrossesWilliam Cannon Drive
Location1.2 MI S of US 290
RouteState Highway 1
CountyTravis County
StateTexas
Coordinates30.22036, -97.83661
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span134 ft (40.8 m)
Deck width58 ft (17.7 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,786 (2022)
Projected traffic62,700 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 1 SB over William Cannon Drive built?

It was built in 2005, making it 20 years old in 2025.

What condition is Lp 1 SB over William Cannon Drive 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 August 2024.

How much traffic does Lp 1 SB over William Cannon Drive carry?

About 44,786 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Lp 1 SB over William Cannon Drive?

The structure is 310 ft (94.5 m) long with a longest span of 134 ft (40.8 m) and a deck 58 ft wide.

Who owns Lp 1 SB over William Cannon Drive?

It is owned by the State Highway Agency.