US Bridges

SH 35 NB over Tres Palacios River

Good

Matagorda County, Texas · 0.30 MI E of SH 71 · Structure no. 131580017906065

Built
1965
60 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
402 ft
5 main spans
Daily traffic
2,703
2023 count
Owner
State
State Highway Agency

About this bridge

SH 35 NB over Tres Palacios River is a prestressed concrete stringer/multi-beam or girder carrying SH 35 NB over Tres Palacios River in Matagorda County, Texas. It was built in 1965, so it is 60 years old, older 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 2,703 vehicles a day, roughly 12% of them trucks, projected to reach 3,297 by 2042. The structure is 402 ft (122.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 35 NB
CrossesTres Palacios River
Location0.30 MI E of SH 71
RouteState Highway 35
StateTexas
Coordinates28.8859, -96.18209
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length402 ft (122.5 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,703 (2023)
Projected traffic3,297 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$28,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 35 NB over Tres Palacios River built?

It was built in 1965, making it 60 years old in 2025.

What condition is SH 35 NB over Tres Palacios River 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 2024.

How much traffic does SH 35 NB over Tres Palacios River carry?

About 2,703 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SH 35 NB over Tres Palacios River?

The structure is 402 ft (122.5 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns SH 35 NB over Tres Palacios River?

It is owned by the State Highway Agency.