US Bridges

IH 35 Nbml over Callaghan Interchange

Good

Webb County, Texas · 8.90 MI N of US 83 · Structure no. 222400001804155

Built
1982
43 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
3 main spans
Daily traffic
10,282
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbml over Callaghan Interchange is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Nbml over Callaghan Interchange in Webb County, Texas. It was built in 1982, so it is 43 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 10,282 vehicles a day, roughly 21% of them trucks, projected to reach 13,780 by 2033. The structure is 130 ft (39.6 m) long and 40 ft wide.

CarriesIH 35 Nbml
CrossesCallaghan Interchange
Location8.90 MI N of US 83
RouteInterstate 35
StateTexas
Coordinates27.8792, -99.39967
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum 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 spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,282 (2019)
Projected traffic13,780 by 2033
Trucks21%
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 Nbml over Callaghan Interchange built?

It was built in 1982, making it 43 years old in 2025.

What condition is IH 35 Nbml over Callaghan Interchange 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 2022.

How much traffic does IH 35 Nbml over Callaghan Interchange carry?

About 10,282 vehicles per day (2019 count), of which roughly 21% are trucks.

How long is IH 35 Nbml over Callaghan Interchange?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns IH 35 Nbml over Callaghan Interchange?

It is owned by the State Highway Agency.