US Bridges

FM 650 over Los Negros Creek

Fair

Starr County, Texas · 0.5 MI W of US 83 · Structure no. 212140003810092

Built
2008
17 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
270 ft
4 main spans
Daily traffic
2,106
2024 count
Owner
State
State Highway Agency

About this bridge

FM 650 over Los Negros Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 650 over Los Negros Creek in Starr County, Texas. It was built in 2008, so it is 17 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 2,106 vehicles a day, roughly 13% of them trucks, projected to reach 2,180 by 2033. The structure is 270 ft (82.3 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 650
CrossesLos Negros Creek
Location0.5 MI W of US 83
RouteState Highway 650
StateTexas
Coordinates26.42307, -99.03112
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length270 ft (82.3 m)
Longest span67 ft (20.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,106 (2024)
Projected traffic2,180 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 650 over Los Negros Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is FM 650 over Los Negros Creek 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 2023.

How much traffic does FM 650 over Los Negros Creek carry?

About 2,106 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is FM 650 over Los Negros Creek?

The structure is 270 ft (82.3 m) long with a longest span of 67 ft (20.4 m) and a deck 46 ft wide.

Who owns FM 650 over Los Negros Creek?

It is owned by the State Highway Agency.