US Bridges

FM 494 (shary Rd) over Mission Inlet Bypass

Good

Hidalgo County, Texas · 1.20 MI S of US 83 · Structure no. 211090086401004

Built
2004
21 years old
Condition
Good
inspected April 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
65 ft
2 main spans
Daily traffic
29,030
2013 count
Owner
State
State Highway Agency

About this bridge

FM 494 (shary Rd) over Mission Inlet Bypass is a aluminum, wrought iron, or cast iron culvert carrying FM 494 (shary Rd) over Mission Inlet Bypass in Hidalgo County, Texas. It was built in 2004, so it is 21 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 29,030 vehicles a day, roughly 2% of them trucks, projected to reach 40,640 by 2033. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesFM 494 (shary Rd)
CrossesMission Inlet Bypass
Location1.20 MI S of US 83
RouteState Highway 494
CountyHidalgo County
StateTexas
Coordinates26.1789, -98.29126
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: 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 typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length65 ft (19.8 m)
Longest span31 ft (9.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,030 (2013)
Projected traffic40,640 by 2033
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 494 (shary Rd) over Mission Inlet Bypass built?

It was built in 2004, making it 21 years old in 2025.

What condition is FM 494 (shary Rd) over Mission Inlet Bypass 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 April 2023.

How much traffic does FM 494 (shary Rd) over Mission Inlet Bypass carry?

About 29,030 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is FM 494 (shary Rd) over Mission Inlet Bypass?

The structure is 65 ft (19.8 m) long with a longest span of 31 ft (9.4 m).

Who owns FM 494 (shary Rd) over Mission Inlet Bypass?

It is owned by the State Highway Agency.