US Bridges

Ss 26 over West Fk of Smith Branch

Fair

Williamson County, Texas · 0.2 MI S of FM 1460 · Structure no. 142460001517042

Built
1934
91 years old, rebuilt 1955
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
39 ft
4 main spans
Daily traffic
9,556
2021 count
Owner
State
State Highway Agency

About this bridge

Ss 26 over West Fk of Smith Branch is a concrete culvert carrying Ss 26 over West Fk of Smith Branch in Williamson County, Texas. It was built in 1934 and reconstructed in 1955, so it is 91 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 9,556 vehicles a day, roughly 4% of them trucks, projected to reach 16,819 by 2041. The structure is 39 ft (11.9 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSs 26
CrossesWest Fk of Smith Branch
Location0.2 MI S of FM 1460
RouteState Highway 26
CountyWilliamson County
StateTexas
Coordinates30.62015, -97.68088
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length39 ft (11.9 m)
Longest span9 ft (2.7 m)
Deck width53 ft (16.2 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,556 (2021)
Projected traffic16,819 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ss 26 over West Fk of Smith Branch built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1955.

What condition is Ss 26 over West Fk of Smith 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 February 2023.

How much traffic does Ss 26 over West Fk of Smith Branch carry?

About 9,556 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Ss 26 over West Fk of Smith Branch?

The structure is 39 ft (11.9 m) long with a longest span of 9 ft (2.7 m) and a deck 53 ft wide.

Who owns Ss 26 over West Fk of Smith Branch?

It is owned by the State Highway Agency.