US Bridges

SH 255 WB over Drain

Good

Webb County, Texas · 1.57 West of US 83 · Structure no. 222400358602019

Built
1999
26 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
315
2010 count
Owner
State
State Highway Agency

About this bridge

SH 255 WB over Drain is a concrete culvert carrying SH 255 WB 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 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 315 vehicles a day, roughly 21% of them trucks, projected to reach 490 by 2030. The structure is 31 ft (9.4 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 255 WB
CrossesDrain
Location1.57 West of US 83
StateTexas
Coordinates27.81249, -99.48936
Functional classRural Principal Arterial - Other

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 inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span8 ft (2.4 m)
Deck width81 ft (24.7 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic315 (2010)
Projected traffic490 by 2030
Trucks21%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 WB over Drain built?

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

What condition is SH 255 WB over Drain 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 November 2022.

How much traffic does SH 255 WB over Drain carry?

About 315 vehicles per day (2010 count), of which roughly 21% are trucks.

How long is SH 255 WB over Drain?

The structure is 31 ft (9.4 m) long with a longest span of 8 ft (2.4 m) and a deck 81 ft wide.

Who owns SH 255 WB over Drain?

It is owned by the State Highway Agency.