US Bridges

Lp 20 Nbfr over KCS RR & Draw

Good

Webb County, Texas · 0.38 MI S of SP 400 · Structure no. 222400008614195

Built
2017
8 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
965 ft
7 main spans
Daily traffic
4,000
2019 count
Owner
State
State Highway Agency

About this bridge

Lp 20 Nbfr over KCS RR & Draw is a prestressed concrete stringer/multi-beam or girder carrying Lp 20 Nbfr over KCS RR & Draw in Webb County, Texas. It was built in 2017, so it is 8 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 4,000 vehicles a day, roughly 5% of them trucks, projected to reach 1 by 1900. The structure is 965 ft (294.1 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesLp 20 Nbfr
CrossesKCS RR & Draw
Location0.38 MI S of SP 400
RouteState Highway 20
CountyWebb County
StateTexas
Coordinates27.5086, -99.44829
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 spans7 (+2 approach)
Design loadHL 93
Structure length965 ft (294.1 m)
Longest span120 ft (36.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2019)
Projected traffic1 by 1900
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lp 20 Nbfr over KCS RR & Draw built?

It was built in 2017, making it 8 years old in 2025.

What condition is Lp 20 Nbfr 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 Nbfr over KCS RR & Draw carry?

About 4,000 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Lp 20 Nbfr over KCS RR & Draw?

The structure is 965 ft (294.1 m) long with a longest span of 120 ft (36.6 m) and a deck 34 ft wide.

Who owns Lp 20 Nbfr over KCS RR & Draw?

It is owned by the State Highway Agency.