US Bridges

IH35 SB to SL20 WB over IH 35 Sbfr & Sl 20 Wbfr

Fair

Webb County, Texas · 6.12 MI North of US 59 · Structure no. 222400001806167

Built
2003
22 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,647 ft
8 main spans
Daily traffic
1,200
2013 count
Owner
State
State Highway Agency

About this bridge

IH35 SB to SL20 WB over IH 35 Sbfr & Sl 20 Wbfr is a steel continuous stringer/multi-beam or girder carrying IH35 SB to SL20 WB over IH 35 Sbfr & Sl 20 Wbfr in Webb County, Texas. It was built in 2003, so it is 22 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,200 vehicles a day, roughly 8% of them trucks, projected to reach 2,600 by 2033. The structure is 3,647 ft (1,111.6 m) long and 35 ft wide.

CarriesIH35 SB to SL20 WB
CrossesIH 35 Sbfr & Sl 20 Wbfr
Location6.12 MI North of US 59
RouteInterstate 35
StateTexas
Coordinates27.61336, -99.49302
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+21 approach)
Design loadHS 25 or greater
Structure length3,647 ft (1,111.6 m)
Longest span226 ft (68.9 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2013)
Projected traffic2,600 by 2033
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH35 SB to SL20 WB over IH 35 Sbfr & Sl 20 Wbfr built?

It was built in 2003, making it 22 years old in 2025.

What condition is IH35 SB to SL20 WB over IH 35 Sbfr & Sl 20 Wbfr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does IH35 SB to SL20 WB over IH 35 Sbfr & Sl 20 Wbfr carry?

About 1,200 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is IH35 SB to SL20 WB over IH 35 Sbfr & Sl 20 Wbfr?

The structure is 3,647 ft (1,111.6 m) long with a longest span of 226 ft (68.9 m) and a deck 35 ft wide.

Who owns IH35 SB to SL20 WB over IH 35 Sbfr & Sl 20 Wbfr?

It is owned by the State Highway Agency.