US Bridges

CR 424 over Long Branch

Good

Williamson County, Texas · 1.35 MI SE of US 79 · Structure no. 142460AA0349001

Built
2008
17 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
2 main spans
Daily traffic
320
2010 count
Owner
County
County Highway Agency

About this bridge

CR 424 over Long Branch is a prestressed concrete stringer/multi-beam or girder carrying CR 424 over Long Branch in Williamson County, Texas. It was built in 2008, so it is 17 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 320 vehicles a day, roughly 2% of them trucks, projected to reach 430 by 2027. The structure is 85 ft (25.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 424
CrossesLong Branch
Location1.35 MI SE of US 79
RouteCounty Highway 424
StateTexas
Coordinates30.57304, -97.28936
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length85 ft (25.9 m)
Longest span45 ft (13.7 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2010)
Projected traffic430 by 2027
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 424 over Long Branch built?

It was built in 2008, making it 17 years old in 2025.

What condition is CR 424 over Long Branch 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 November 2023.

How much traffic does CR 424 over Long Branch carry?

About 320 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is CR 424 over Long Branch?

The structure is 85 ft (25.9 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.

Who owns CR 424 over Long Branch?

It is owned by the County Highway Agency.