US Bridges

Lp 1 NB Ml & NB FR over Merrilltown DR

Good

Travis County, Texas · 1.90 MI N of Parmer LN · Structure no. 142270313601148

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
306 ft
2 main spans
Daily traffic
48,650
2016 count
Owner
State
State Highway Agency

About this bridge

Lp 1 NB Ml & NB FR over Merrilltown DR is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 NB Ml & NB FR over Merrilltown DR in Travis County, Texas. It was built in 2006, so it is 19 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 48,650 vehicles a day, roughly 4% of them trucks, projected to reach 91,350 by 2036. The structure is 306 ft (93.3 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLp 1 NB Ml & NB FR
CrossesMerrilltown DR
Location1.90 MI N of Parmer LN
CountyTravis County
StateTexas
Coordinates30.44989, -97.6961
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 length306 ft (93.3 m)
Longest span125 ft (38.1 m)
Deck width99 ft (30.2 m)
Roadway width97 ft (29.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,650 (2016)
Projected traffic91,350 by 2036
Trucks4%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll 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 Lp 1 NB Ml & NB FR over Merrilltown DR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Lp 1 NB Ml & NB FR over Merrilltown DR 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 Lp 1 NB Ml & NB FR over Merrilltown DR carry?

About 48,650 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is Lp 1 NB Ml & NB FR over Merrilltown DR?

The structure is 306 ft (93.3 m) long with a longest span of 125 ft (38.1 m) and a deck 99 ft wide.

Who owns Lp 1 NB Ml & NB FR over Merrilltown DR?

It is owned by the State Highway Agency.