US Bridges

FM 666 over Arroyo Nombre De Dios

Fair

San Patricio County, Texas · 3.8 MI SE of SH 359 · Structure no. 162050105203038

Built
1980
45 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
152 ft
5 main spans
Daily traffic
1,772
2024 count
Owner
State
State Highway Agency

About this bridge

FM 666 over Arroyo Nombre De Dios is a concrete stringer/multi-beam or girder carrying FM 666 over Arroyo Nombre De Dios in San Patricio 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 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 1,772 vehicles a day, roughly 12% of them trucks, projected to reach 3,394 by 2042. The structure is 152 ft (46.3 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFM 666
CrossesArroyo Nombre De Dios
Location3.8 MI SE of SH 359
RouteState Highway 666
CountySan Patricio County
StateTexas
Coordinates28.04361, -97.78897
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than 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

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,772 (2024)
Projected traffic3,394 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Arroyo Nombre De Dios built?

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

What condition is FM 666 over Arroyo Nombre De Dios 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 April 2024.

How much traffic does FM 666 over Arroyo Nombre De Dios carry?

About 1,772 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is FM 666 over Arroyo Nombre De Dios?

The structure is 152 ft (46.3 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns FM 666 over Arroyo Nombre De Dios?

It is owned by the State Highway Agency.