US Bridges

FM 734 WB over Harris Branch

Good

Travis County, Texas · 5.75 MI E of IH 35 · Structure no. 142270341703025

Built
2003
22 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
597 ft
7 main spans
Daily traffic
8,313
2015 count
Owner
State
State Highway Agency

About this bridge

FM 734 WB over Harris Branch is a prestressed concrete stringer/multi-beam or girder carrying FM 734 WB over Harris Branch in Travis County, Texas. It was built in 2003, so it is 22 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 8,313 vehicles a day, roughly 11% of them trucks, projected to reach 11,530 by 2033. The structure is 597 ft (182 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 734 WB
CrossesHarris Branch
Location5.75 MI E of IH 35
RouteState Highway 734
StateTexas
Coordinates30.36075, -97.60243
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to 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 spans7
Design loadHS 20
Structure length597 ft (182 m)
Longest span85 ft (25.9 m)
Deck width45 ft (13.8 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,313 (2015)
Projected traffic11,530 by 2033
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 FM 734 WB over Harris Branch built?

It was built in 2003, making it 22 years old in 2025.

What condition is FM 734 WB over Harris 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 July 2023.

How much traffic does FM 734 WB over Harris Branch carry?

About 8,313 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is FM 734 WB over Harris Branch?

The structure is 597 ft (182 m) long with a longest span of 85 ft (25.9 m) and a deck 45 ft wide.

Who owns FM 734 WB over Harris Branch?

It is owned by the State Highway Agency.