US Bridges

FM 491 over Arroyo Anacuitas

Good

Hidalgo County, Texas · 0.30 MI S of Bus 83 · Structure no. 211090086105016

Built
2002
23 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
65 ft
3 main spans
Daily traffic
6,198
2020 count
Owner
State
State Highway Agency

About this bridge

FM 491 over Arroyo Anacuitas is a concrete culvert carrying FM 491 over Arroyo Anacuitas in Hidalgo County, Texas. It was built in 2002, so it is 23 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 6,198 vehicles a day, roughly 7% of them trucks, projected to reach 11,340 by 2025. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFM 491
CrossesArroyo Anacuitas
Location0.30 MI S of Bus 83
RouteState Highway 491
StateTexas
Coordinates26.14575, -97.90257
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,198 (2020)
Projected traffic11,340 by 2025
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 491 over Arroyo Anacuitas built?

It was built in 2002, making it 23 years old in 2025.

What condition is FM 491 over Arroyo Anacuitas 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 August 2024.

How much traffic does FM 491 over Arroyo Anacuitas carry?

About 6,198 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FM 491 over Arroyo Anacuitas?

The structure is 65 ft (19.8 m) long with a longest span of 10 ft (3 m).

Who owns FM 491 over Arroyo Anacuitas?

It is owned by the State Highway Agency.