US Bridges

FM 734 (parmer Ln) over Lp 1

Fair

Travis County, Texas · 3.7 MI N of US 183 · Structure no. 142270313601066

Built
1989
36 years old, rebuilt 2009
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
2 main spans
Daily traffic
32,827
2019 count
Owner
State
State Highway Agency

About this bridge

FM 734 (parmer Ln) over Lp 1 is a prestressed concrete stringer/multi-beam or girder carrying FM 734 (parmer Ln) over Lp 1 in Travis County, Texas. It was built in 1989 and reconstructed in 2009, so it is 36 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 32,827 vehicles a day, roughly 2% of them trucks, projected to reach 68,790 by 2033. The structure is 310 ft (94.5 m) long and 126 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFM 734 (parmer Ln)
CrossesLp 1
Location3.7 MI N of US 183
RouteState Highway 734
CountyTravis County
StateTexas
Coordinates30.42025, -97.7037
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2 (+1 approach)
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span130 ft (39.6 m)
Deck width126 ft (38.3 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,827 (2019)
Projected traffic68,790 by 2033
Trucks2%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 734 (parmer Ln) over Lp 1 built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2009.

What condition is FM 734 (parmer Ln) over Lp 1 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 October 2023.

How much traffic does FM 734 (parmer Ln) over Lp 1 carry?

About 32,827 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is FM 734 (parmer Ln) over Lp 1?

The structure is 310 ft (94.5 m) long with a longest span of 130 ft (39.6 m) and a deck 126 ft wide.

Who owns FM 734 (parmer Ln) over Lp 1?

It is owned by the State Highway Agency.