US Bridges

Lp 20 over KCS RR & Draw

Good

Webb County, Texas · 1.30 MI S of US 59 · Structure no. 222400008614065

Built
1995
30 years old, rebuilt 2018
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
400 ft
3 main spans
Daily traffic
49,294
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 20 over KCS RR & Draw is a prestressed concrete stringer/multi-beam or girder carrying Lp 20 over KCS RR & Draw in Webb County, Texas. It was built in 1995 and reconstructed in 2018, so it is 30 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 49,294 vehicles a day, roughly 3% of them trucks, projected to reach 41,040 by 2033. The structure is 400 ft (121.9 m) long and 116 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLp 20
CrossesKCS RR & Draw
Location1.30 MI S of US 59
RouteState Highway 20
CountyWebb County
StateTexas
Coordinates27.51012, -99.44841
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 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 typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span125 ft (38.1 m)
Deck width116 ft (35.4 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,294 (2020)
Projected traffic41,040 by 2033
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 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 Lp 20 over KCS RR & Draw built?

It was built in 1995, making it 30 years old in 2025. It was reconstructed in 2018.

What condition is Lp 20 over KCS RR & Draw 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 December 2022.

How much traffic does Lp 20 over KCS RR & Draw carry?

About 49,294 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Lp 20 over KCS RR & Draw?

The structure is 400 ft (121.9 m) long with a longest span of 125 ft (38.1 m) and a deck 116 ft wide.

Who owns Lp 20 over KCS RR & Draw?

It is owned by the State Highway Agency.