US Bridges

SH 255 over Drain

Fair

Webb County, Texas · 2.43 MI W of FM 3338 · Structure no. 222400358602006

Built
1999
26 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
630
2010 count
Owner
State
State Highway Agency

About this bridge

SH 255 over Drain is a concrete culvert carrying SH 255 over Drain in Webb County, Texas. It was built in 1999, so it is 26 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 630 vehicles a day, roughly 21% of them trucks, projected to reach 980 by 2030. The structure is 41 ft (12.5 m) long and 88 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSH 255
CrossesDrain
Location2.43 MI W of FM 3338
StateTexas
Coordinates26.03472, -97.54334
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to 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
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span8 ft (2.4 m)
Deck width88 ft (26.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2010)
Projected traffic980 by 2030
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a toll 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 SH 255 over Drain built?

It was built in 1999, making it 26 years old in 2025.

What condition is SH 255 over Drain 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 December 2022.

How much traffic does SH 255 over Drain carry?

About 630 vehicles per day (2010 count), of which roughly 21% are trucks.

How long is SH 255 over Drain?

The structure is 41 ft (12.5 m) long with a longest span of 8 ft (2.4 m) and a deck 88 ft wide.

Who owns SH 255 over Drain?

It is owned by the State Highway Agency.