US Bridges

Lp 20 NB over Chacon Creek Trib No. 2

Good

Webb County, Texas · 0.55 MI S of SH 359 · Structure no. 222400008616188

Built
2011
14 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,364 ft
11 main spans
Daily traffic
10,100
2010 count
Owner
State
State Highway Agency

About this bridge

Lp 20 NB over Chacon Creek Trib No. 2 is a prestressed concrete stringer/multi-beam or girder carrying Lp 20 NB over Chacon Creek Trib No. 2 in Webb County, Texas. It was built in 2011, so it is 14 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 10,100 vehicles a day, projected to reach 17,000 by 2030. The structure is 1,364 ft (415.7 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLp 20 NB
CrossesChacon Creek Trib No. 2
Location0.55 MI S of SH 359
RouteState Highway 20
CountyWebb County
StateTexas
Coordinates27.48826, -99.4436
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11 (+1 approach)
Design loadHS 25 or greater
Structure length1,364 ft (415.7 m)
Longest span117 ft (35.7 m)
Deck width52 ft (16 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2010)
Projected traffic17,000 by 2030
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 NB over Chacon Creek Trib No. 2 built?

It was built in 2011, making it 14 years old in 2025.

What condition is Lp 20 NB over Chacon Creek Trib No. 2 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 NB over Chacon Creek Trib No. 2 carry?

About 10,100 vehicles per day (2010 count).

How long is Lp 20 NB over Chacon Creek Trib No. 2?

The structure is 1,364 ft (415.7 m) long with a longest span of 117 ft (35.7 m) and a deck 52 ft wide.

Who owns Lp 20 NB over Chacon Creek Trib No. 2?

It is owned by the State Highway Agency.