US Bridges

FM 734 EB over Union Pacific RR

Fair

Travis County, Texas · 1.7 MI W of Lp 1 · Structure no. 142270341701007

Built
1990
35 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
400 ft
5 main spans
Daily traffic
23,790
2019 count
Owner
State
State Highway Agency

About this bridge

FM 734 EB over Union Pacific RR is a prestressed concrete stringer/multi-beam or girder carrying FM 734 EB over Union Pacific RR in Travis County, Texas. It was built in 1990, so it is 35 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 23,790 vehicles a day, roughly 4% of them trucks, projected to reach 28,548 by 2039. The structure is 400 ft (121.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 734 EB
CrossesUnion Pacific RR
Location1.7 MI W of Lp 1
RouteState Highway 734
StateTexas
Coordinates30.43248, -97.72895
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: 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 spans5
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span80 ft (24.4 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,790 (2019)
Projected traffic28,548 by 2039
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 734 EB over Union Pacific RR built?

It was built in 1990, making it 35 years old in 2025.

What condition is FM 734 EB over Union Pacific RR 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 FM 734 EB over Union Pacific RR carry?

About 23,790 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is FM 734 EB over Union Pacific RR?

The structure is 400 ft (121.9 m) long with a longest span of 80 ft (24.4 m) and a deck 52 ft wide.

Who owns FM 734 EB over Union Pacific RR?

It is owned by the State Highway Agency.