US Bridges

IH 35 NB over Service RD

Good

La Salle County, Texas · 10.55 MI N of Webb C/L · Structure no. 221420001802130

Built
1977
48 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
1 main span
Daily traffic
10,421
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB over Service RD is a prestressed concrete stringer/multi-beam or girder carrying IH 35 NB over Service RD in La Salle County, Texas. It was built in 1977, so it is 48 years old, older 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 10,421 vehicles a day, roughly 28% of them trucks, projected to reach 12,600 by 2036. The structure is 130 ft (39.6 m) long and 44 ft wide.

CarriesIH 35 NB
CrossesService RD
Location10.55 MI N of Webb C/L
RouteInterstate 35
StateTexas
Coordinates28.17783, -99.31589
Functional classRural Principal Arterial - Interstate

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.
Last inspectionNovember 2023
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span60 ft (18.3 m)
Deck width44 ft (13.5 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,421 (2019)
Projected traffic12,600 by 2036
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 35 NB over Service RD built?

It was built in 1977, making it 48 years old in 2025.

What condition is IH 35 NB over Service RD 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 November 2023.

How much traffic does IH 35 NB over Service RD carry?

About 10,421 vehicles per day (2019 count), of which roughly 28% are trucks.

How long is IH 35 NB over Service RD?

The structure is 130 ft (39.6 m) long with a longest span of 60 ft (18.3 m) and a deck 44 ft wide.

Who owns IH 35 NB over Service RD?

It is owned by the State Highway Agency.