US Bridges

FM 666 over Agua Dulce Creek

Good

Nueces County, Texas · 0.95 MI S of SH 44 · Structure no. 161780105201037

Built
1980
45 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
212 ft
7 main spans
Daily traffic
1,967
2020 count
Owner
State
State Highway Agency

About this bridge

FM 666 over Agua Dulce Creek is a concrete stringer/multi-beam or girder carrying FM 666 over Agua Dulce Creek in Nueces County, Texas. It was built in 1980, so it is 45 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 1,967 vehicles a day, roughly 10% of them trucks, projected to reach 1,770 by 2033. The structure is 212 ft (64.6 m) long and 36 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesFM 666
CrossesAgua Dulce Creek
Location0.95 MI S of SH 44
RouteState Highway 666
StateTexas
Coordinates27.79307, -97.80368
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span30 ft (9.1 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,967 (2020)
Projected traffic1,770 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 666 over Agua Dulce Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is FM 666 over Agua Dulce Creek 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 May 2024.

How much traffic does FM 666 over Agua Dulce Creek carry?

About 1,967 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 666 over Agua Dulce Creek?

The structure is 212 ft (64.6 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns FM 666 over Agua Dulce Creek?

It is owned by the State Highway Agency.