US Bridges

Washburn Street over Bull Branch

Fair

Williamson County, Texas · 0.02 MI S of Thorndale ST · Structure no. 142460C00690001

Built
1997
28 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
62 ft
5 main spans
Daily traffic
913
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washburn Street over Bull Branch is a concrete culvert carrying Washburn Street over Bull Branch in Williamson County, Texas. It was built in 1997, so it is 28 years old, younger 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 913 vehicles a day, projected to reach 2,360 by 2030. The structure is 62 ft (18.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWashburn Street
CrossesBull Branch
Location0.02 MI S of Thorndale ST
RouteCity Street 508
CountyWilliamson County
StateTexas
Coordinates30.57764, -97.40823
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 spans5
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic913 (2020)
Projected traffic2,360 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washburn Street over Bull Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Washburn Street over Bull Branch 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 December 2023.

How much traffic does Washburn Street over Bull Branch carry?

About 913 vehicles per day (2020 count).

How long is Washburn Street over Bull Branch?

The structure is 62 ft (18.9 m) long with a longest span of 10 ft (3 m).

Who owns Washburn Street over Bull Branch?

It is owned by the City or Municipal Highway Agency.