US Bridges

Merrilltown DR over Drainage

Good

Travis County, Texas · 0.01 MI E of FM 1325 · Structure no. 142270313601160

Built
1988
37 years old, rebuilt 2006
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
4,145
2020 count
Owner
State
State Highway Agency

About this bridge

Merrilltown DR over Drainage is a concrete culvert carrying Merrilltown DR over Drainage in Travis County, Texas. It was built in 1988 and reconstructed in 2006, so it is 37 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 4,145 vehicles a day, projected to reach 7,760 by 2036. The structure is 27 ft (8.2 m) long and 164 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMerrilltown DR
CrossesDrainage
Location0.01 MI E of FM 1325
RouteCounty Highway 0
StateTexas
Coordinates30.44964, -97.69455
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width164 ft (50.1 m)
Roadway width110 ft (33.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,145 (2020)
Projected traffic7,760 by 2036
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Merrilltown DR over Drainage built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2006.

What condition is Merrilltown DR over Drainage 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 Merrilltown DR over Drainage carry?

About 4,145 vehicles per day (2020 count).

How long is Merrilltown DR over Drainage?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m) and a deck 164 ft wide.

Who owns Merrilltown DR over Drainage?

It is owned by the State Highway Agency.