US Bridges

Riverside RD over Irrigation Canal

Fair

Matagorda County, Texas · 1.78 MI W of FM 2668 · Structure no. 131580LZ5635001

Built
1985
40 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
69 ft
6 main spans
Daily traffic
50
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Riverside RD over Irrigation Canal is a wood or timber stringer/multi-beam or girder carrying Riverside RD over Irrigation Canal in Matagorda County, Texas. It was built in 1985, so it is 40 years old, younger 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2040. The structure is 69 ft (21 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesRiverside RD
CrossesIrrigation Canal
Location1.78 MI W of FM 2668
RouteCounty Highway 0
CountyMatagorda County
StateTexas
Coordinates28.91979, -96.00863
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans6
Design loadUnknown
Structure length69 ft (21 m)
Longest span12 ft (3.7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic25 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverside RD over Irrigation Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is Riverside RD over Irrigation Canal 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 February 2024.

How much traffic does Riverside RD over Irrigation Canal carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Riverside RD over Irrigation Canal?

The structure is 69 ft (21 m) long with a longest span of 12 ft (3.7 m) and a deck 25 ft wide.

Who owns Riverside RD over Irrigation Canal?

It is owned by the City or Municipal Highway Agency.