US Bridges

FM 800 over Arroyo Colorado

Good

Cameron County, Texas · 1.3 MI N of FM 3067 · Structure no. 210310113602196

Built
2012
13 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,365 ft
13 main spans
Daily traffic
1,525
2023 count
Owner
State
State Highway Agency

About this bridge

FM 800 over Arroyo Colorado is a prestressed concrete stringer/multi-beam or girder carrying FM 800 over Arroyo Colorado in Cameron County, Texas. It was built in 2012, so it is 13 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 1,525 vehicles a day, roughly 20% of them trucks, projected to reach 2,800 by 2032. The structure is 1,365 ft (416.1 m) long and 54 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 800
CrossesArroyo Colorado
Location1.3 MI N of FM 3067
RouteState Highway 800
StateTexas
Coordinates26.13686, -97.78439
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans13
Design loadHL 93
Structure length1,365 ft (416.1 m)
Longest span105 ft (32 m)
Deck width54 ft (16.5 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,525 (2023)
Projected traffic2,800 by 2032
Trucks20%
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 800 over Arroyo Colorado built?

It was built in 2012, making it 13 years old in 2025.

What condition is FM 800 over Arroyo Colorado 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 800 over Arroyo Colorado carry?

About 1,525 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is FM 800 over Arroyo Colorado?

The structure is 1,365 ft (416.1 m) long with a longest span of 105 ft (32 m) and a deck 54 ft wide.

Who owns FM 800 over Arroyo Colorado?

It is owned by the State Highway Agency.