US Bridges

Lp 20 over SH 359

Good

Webb County, Texas · Lp 20 @ SH359 · Structure no. 222400008601178

Built
2014
11 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
1,075 ft
1 main span
Daily traffic
5,330
2011 count
Owner
State
State Highway Agency

About this bridge

Lp 20 over SH 359 is a steel stringer/multi-beam or girder carrying Lp 20 over SH 359 in Webb County, Texas. It was built in 2014, so it is 11 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 5,330 vehicles a day, projected to reach 50,950 by 2031. The structure is 1,075 ft (327.7 m) long and 92 ft wide.

Location

Open in Google Maps
CarriesLp 20
CrossesSH 359
LocationLp 20 @ SH359
RouteState Highway 20
CountyWebb County
StateTexas
Coordinates27.49798, -99.4476
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: 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
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadHL 93
Structure length1,075 ft (327.7 m)
Longest span155 ft (47.2 m)
Deck width92 ft (28 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,330 (2011)
Projected traffic50,950 by 2031
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 20 over SH 359 built?

It was built in 2014, making it 11 years old in 2025.

What condition is Lp 20 over SH 359 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 SH 359 carry?

About 5,330 vehicles per day (2011 count).

How long is Lp 20 over SH 359?

The structure is 1,075 ft (327.7 m) long with a longest span of 155 ft (47.2 m) and a deck 92 ft wide.

Who owns Lp 20 over SH 359?

It is owned by the State Highway Agency.