US Bridges

FM 675 over Low Line Canal

Good

Cameron County, Texas · 1.45 MI NW of FM 2520 · Structure no. 210310105701012

Built
2007
18 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
816
2020 count
Owner
State
State Highway Agency

About this bridge

FM 675 over Low Line Canal is a prestressed concrete box beam or girders - multiple carrying FM 675 over Low Line Canal in Cameron County, Texas. It was built in 2007, so it is 18 years old, younger 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 816 vehicles a day, roughly 16% of them trucks, projected to reach 1,170 by 2033. The structure is 60 ft (18.3 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM 675
CrossesLow Line Canal
Location1.45 MI NW of FM 2520
RouteState Highway 675
CountyCameron County
StateTexas
Coordinates26.08383, -97.70592
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable 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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic816 (2020)
Projected traffic1,170 by 2033
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 675 over Low Line Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is FM 675 over Low Line Canal 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 March 2023.

How much traffic does FM 675 over Low Line Canal carry?

About 816 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is FM 675 over Low Line Canal?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns FM 675 over Low Line Canal?

It is owned by the State Highway Agency.