US Bridges

SH 35 SB over Colorado River

Poor

Matagorda County, Texas · 1.70 MI W of SH 60 · Structure no. 131580017904069

Built
1971
54 years old
Condition
Poor
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,036 ft
1 main span
Daily traffic
10,639
2020 count
Owner
State
State Highway Agency

About this bridge

SH 35 SB over Colorado River is a prestressed concrete stringer/multi-beam or girder carrying SH 35 SB over Colorado River in Matagorda County, Texas. It was built in 1971, so it is 54 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10,639 vehicles a day, roughly 8% of them trucks, projected to reach 14,895 by 2040. The structure is 1,036 ft (315.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 35 SB
CrossesColorado River
Location1.70 MI W of SH 60
RouteState Highway 35
StateTexas
Coordinates28.9839, -96.00012
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+12 approach)
Design loadHS 20
Structure length1,036 ft (315.8 m)
Longest span130 ft (39.6 m)
Deck width44 ft (13.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,639 (2020)
Projected traffic14,895 by 2040
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 35 SB over Colorado River built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 35 SB over Colorado River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2022.

How much traffic does SH 35 SB over Colorado River carry?

About 10,639 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SH 35 SB over Colorado River?

The structure is 1,036 ft (315.8 m) long with a longest span of 130 ft (39.6 m) and a deck 44 ft wide.

Who owns SH 35 SB over Colorado River?

It is owned by the State Highway Agency.