US Bridges

SH 35 NB over Colorado River

Poor

Matagorda County, Texas · 1.70 MI W of SH 60 · Structure no. 131580017904059

Built
1961
64 years old, rebuilt 2007
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,036 ft
3 main spans
Daily traffic
7,234
2023 count
Owner
State
State Highway Agency

About this bridge

SH 35 NB over Colorado River is a steel continuous stringer/multi-beam or girder carrying SH 35 NB over Colorado River in Matagorda County, Texas. It was built in 1961 and reconstructed in 2007, so it is 64 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 7,234 vehicles a day, roughly 8% of them trucks, projected to reach 10,706 by 2042. The structure is 1,036 ft (315.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 35 NB
CrossesColorado River
Location1.70 MI W of SH 60
RouteState Highway 35
StateTexas
Coordinates28.98408, -95.99989
Functional classRural Principal Arterial - Other

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+19 approach)
Design loadHS 20
Structure length1,036 ft (315.8 m)
Longest span140 ft (42.7 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,234 (2023)
Projected traffic10,706 by 2042
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$73,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 35 NB over Colorado River built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2007.

What condition is SH 35 NB 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 2024.

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

About 7,234 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SH 35 NB over Colorado River?

The structure is 1,036 ft (315.8 m) long with a longest span of 140 ft (42.7 m) and a deck 42 ft wide.

Who owns SH 35 NB over Colorado River?

It is owned by the State Highway Agency.