US Bridges

William Cannon DR over S Fork Williamson Creek

Fair

Travis County, Texas · 0.10 MI SE of Brodie LN · Structure no. 142270B03854001

Built
1977
48 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
151 ft
5 main spans
Daily traffic
28,079
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

William Cannon DR over S Fork Williamson Creek is a concrete slab carrying William Cannon DR over S Fork Williamson Creek in Travis County, Texas. It was built in 1977, so it is 48 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 28,079 vehicles a day, projected to reach 31,750 by 2034. The structure is 151 ft (46 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWilliam Cannon DR
CrossesS Fork Williamson Creek
Location0.10 MI SE of Brodie LN
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.21304, -97.82872
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length151 ft (46 m)
Longest span30 ft (9.1 m)
Deck width104 ft (31.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,079 (2020)
Projected traffic31,750 by 2034
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$19,000
NavigationNo navigation control on waterway

Frequently asked questions

When was William Cannon DR over S Fork Williamson Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is William Cannon DR over S Fork Williamson Creek 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 April 2024.

How much traffic does William Cannon DR over S Fork Williamson Creek carry?

About 28,079 vehicles per day (2020 count).

How long is William Cannon DR over S Fork Williamson Creek?

The structure is 151 ft (46 m) long with a longest span of 30 ft (9.1 m) and a deck 104 ft wide.

Who owns William Cannon DR over S Fork Williamson Creek?

It is owned by the City or Municipal Highway Agency.