US Bridges

N Riverdale RD over San Antonio River

FairPosted for load

Goliad County, Texas · 1.8 MI N of FM 1361 · Structure no. 160890AA0134001

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
305 ft
1 main span
Daily traffic
100
2016 count
Owner
County
County Highway Agency

About this bridge

N Riverdale RD over San Antonio River is a prestressed concrete stringer/multi-beam or girder carrying N Riverdale RD over San Antonio River in Goliad County, Texas. It was built in 1990, so it is 35 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 120 by 2031. The structure is 305 ft (93 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesN Riverdale RD
CrossesSan Antonio River
Location1.8 MI N of FM 1361
RouteCounty Highway 0
StateTexas
Coordinates28.67217, -97.54307
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 20
Structure length305 ft (93 m)
Longest span110 ft (33.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2016)
Projected traffic120 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 N Riverdale RD over San Antonio River built?

It was built in 1990, making it 35 years old in 2025.

What condition is N Riverdale RD over San Antonio River 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 September 2024.

How much traffic does N Riverdale RD over San Antonio River carry?

About 100 vehicles per day (2016 count).

How long is N Riverdale RD over San Antonio River?

The structure is 305 ft (93 m) long with a longest span of 110 ft (33.5 m) and a deck 30 ft wide.

Who owns N Riverdale RD over San Antonio River?

It is owned by the County Highway Agency.