US Bridges

SH 16 over Parrilla Creek South

Good

Duval County, Texas · 13.1 MI S of SH 339 · Structure no. 220670051708083

Built
1964
61 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
62 ft
5 main spans
Daily traffic
843
2020 count
Owner
State
State Highway Agency

About this bridge

SH 16 over Parrilla Creek South is a concrete culvert carrying SH 16 over Parrilla Creek South in Duval County, Texas. It was built in 1964, so it is 61 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 843 vehicles a day, roughly 33% of them trucks, projected to reach 1,900 by 2033. The structure is 62 ft (18.9 m) long and 38 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesSH 16
CrossesParrilla Creek South
Location13.1 MI S of SH 339
RouteState Highway 16
StateTexas
Coordinates27.6482, -98.65712
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic843 (2020)
Projected traffic1,900 by 2033
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 16 over Parrilla Creek South built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 16 over Parrilla Creek South in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does SH 16 over Parrilla Creek South carry?

About 843 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is SH 16 over Parrilla Creek South?

The structure is 62 ft (18.9 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns SH 16 over Parrilla Creek South?

It is owned by the State Highway Agency.