US Bridges

US 59 NB over Tres Palacios River

Fair

Wharton County, Texas · 0.40 MI NE of SH 71 · Structure no. 132410008907093

Built
1970
55 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
125 ft
4 main spans
Daily traffic
17,756
2021 count
Owner
State
State Highway Agency

About this bridge

US 59 NB over Tres Palacios River is a concrete stringer/multi-beam or girder carrying US 59 NB over Tres Palacios River in Wharton County, Texas. It was built in 1970, so it is 55 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 17,756 vehicles a day, roughly 21% of them trucks, projected to reach 24,858 by 2041. The structure is 125 ft (38.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 59 NB
CrossesTres Palacios River
Location0.40 MI NE of SH 71
RouteU.S. Route 59
StateTexas
Coordinates29.18071, -96.25449
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span31 ft (9.4 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,756 (2021)
Projected traffic24,858 by 2041
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 59 NB over Tres Palacios River built?

It was built in 1970, making it 55 years old in 2025.

What condition is US 59 NB over Tres Palacios 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 January 2023.

How much traffic does US 59 NB over Tres Palacios River carry?

About 17,756 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is US 59 NB over Tres Palacios River?

The structure is 125 ft (38.1 m) long with a longest span of 31 ft (9.4 m) and a deck 42 ft wide.

Who owns US 59 NB over Tres Palacios River?

It is owned by the State Highway Agency.