US Bridges

IH 35 NB over IH 35 SP 422 Intchg Row

Fair

Bexar County, Texas · 1.90 MI SW of Lp 13 · Structure no. 150150001709110

Built
1956
69 years old, rebuilt 1974
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
127 ft
3 main spans
Daily traffic
48,778
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB over IH 35 SP 422 Intchg Row is a steel continuous stringer/multi-beam or girder carrying IH 35 NB over IH 35 SP 422 Intchg Row in Bexar County, Texas. It was built in 1956 and reconstructed in 1974, so it is 69 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 48,778 vehicles a day, roughly 26% of them trucks, projected to reach 64,387 by 2042. The structure is 127 ft (38.7 m) long and 44 ft wide.

Location

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CarriesIH 35 NB
CrossesIH 35 SP 422 Intchg Row
Location1.90 MI SW of Lp 13
RouteInterstate 35
CountyBexar County
StateTexas
Coordinates29.34168, -98.55329
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span50 ft (15.2 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,778 (2022)
Projected traffic64,387 by 2042
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
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 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 IH 35 SP 422 Intchg Row built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1974.

What condition is IH 35 NB over IH 35 SP 422 Intchg Row 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 May 2024.

How much traffic does IH 35 NB over IH 35 SP 422 Intchg Row carry?

About 48,778 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is IH 35 NB over IH 35 SP 422 Intchg Row?

The structure is 127 ft (38.7 m) long with a longest span of 50 ft (15.2 m) and a deck 44 ft wide.

Who owns IH 35 NB over IH 35 SP 422 Intchg Row?

It is owned by the State Highway Agency.