US Bridges

SH 35 NB over Colorado River Relief

Fair

Matagorda County, Texas · 2.20 MI W of SH 60 · Structure no. 131580017904058

Built
1961
64 years old, rebuilt 2007
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
1,276 ft
42 main spans
Daily traffic
8,925
2023 count
Owner
State
State Highway Agency

About this bridge

SH 35 NB over Colorado River Relief is a concrete stringer/multi-beam or girder carrying SH 35 NB over Colorado River Relief 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 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 8,925 vehicles a day, roughly 9% of them trucks, projected to reach 12,495 by 2042. The structure is 1,276 ft (388.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 35 NB
CrossesColorado River Relief
Location2.20 MI W of SH 60
RouteState Highway 35
StateTexas
Coordinates28.98485, -96.00786
Functional classUrban Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to 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

MaterialConcrete
DeckConcrete, cast-in-place
Main spans42
Design loadHS 20
Structure length1,276 ft (388.9 m)
Longest span31 ft (9.4 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,925 (2023)
Projected traffic12,495 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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$86,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 35 NB over Colorado River Relief 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 Relief 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 November 2024.

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

About 8,925 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SH 35 NB over Colorado River Relief?

The structure is 1,276 ft (388.9 m) long with a longest span of 31 ft (9.4 m) and a deck 43 ft wide.

Who owns SH 35 NB over Colorado River Relief?

It is owned by the State Highway Agency.