US Bridges

IH 35 NB over Second ST

Fair

Frio County, Texas · 0.65 MI SW of FM 462 · Structure no. 150830001706221

Built
1968
57 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
130 ft
3 main spans
Daily traffic
9,408
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB over Second ST is a steel continuous stringer/multi-beam or girder carrying IH 35 NB over Second ST in Frio County, Texas. It was built in 1968, so it is 57 years old, older 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 9,408 vehicles a day, roughly 29% of them trucks, projected to reach 22,230 by 2033. The structure is 130 ft (39.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 NB
CrossesSecond ST
Location0.65 MI SW of FM 462
RouteInterstate 35
StateTexas
Coordinates29.05437, -99.01225
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,408 (2019)
Projected traffic22,230 by 2033
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 NB over Second ST built?

It was built in 1968, making it 57 years old in 2025.

What condition is IH 35 NB over Second ST 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 July 2024.

How much traffic does IH 35 NB over Second ST carry?

About 9,408 vehicles per day (2019 count), of which roughly 29% are trucks.

How long is IH 35 NB over Second ST?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns IH 35 NB over Second ST?

It is owned by the State Highway Agency.