US Bridges

Hamilton Pool RD over Pedernales River

Fair

Travis County, Texas · 6.30 MI NW of FM 3238 · Structure no. 142270AA0445001

Built
1953
72 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
397
2023 count
Owner
County
County Highway Agency

About this bridge

Hamilton Pool RD over Pedernales River is a concrete slab carrying Hamilton Pool RD over Pedernales River in Travis County, Texas. It was built in 1953, so it is 72 years old, older 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 397 vehicles a day, projected to reach 400 by 2027. The structure is 80 ft (24.5 m) long and 18 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesHamilton Pool RD
CrossesPedernales River
Location6.30 MI NW of FM 3238
RouteCounty Highway 315
CountyTravis County
StateTexas
Coordinates30.33996, -98.1391
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length80 ft (24.5 m)
Longest span19 ft (5.8 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic397 (2023)
Projected traffic400 by 2027
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton Pool RD over Pedernales River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Hamilton Pool RD over Pedernales River 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 March 2024.

How much traffic does Hamilton Pool RD over Pedernales River carry?

About 397 vehicles per day (2023 count).

How long is Hamilton Pool RD over Pedernales River?

The structure is 80 ft (24.5 m) long with a longest span of 19 ft (5.8 m) and a deck 18 ft wide.

Who owns Hamilton Pool RD over Pedernales River?

It is owned by the County Highway Agency.