US Bridges

IH 35 NB Ml over UPRR

Fair

Bexar County, Texas · 2.20 MI E of IH 37/US 281 · Structure no. 150150001710156

Built
1962
63 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
377 ft
5 main spans
Daily traffic
144,783
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB Ml over UPRR is a steel continuous stringer/multi-beam or girder carrying IH 35 NB Ml over UPRR in Bexar County, Texas. It was built in 1962, so it is 63 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 144,783 vehicles a day, roughly 9% of them trucks, projected to reach 202,696 by 2042. The structure is 377 ft (114.9 m) long and 43 ft wide.

CarriesIH 35 NB Ml
CrossesUPRR
Location2.20 MI E of IH 37/US 281
RouteInterstate 35
StateTexas
Coordinates29.44018, -98.44162
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length377 ft (114.9 m)
Longest span75 ft (22.9 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144,783 (2022)
Projected traffic202,696 by 2042
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$38,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 NB Ml over UPRR built?

It was built in 1962, making it 63 years old in 2025.

What condition is IH 35 NB Ml over UPRR 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 June 2024.

How much traffic does IH 35 NB Ml over UPRR carry?

About 144,783 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is IH 35 NB Ml over UPRR?

The structure is 377 ft (114.9 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.

Who owns IH 35 NB Ml over UPRR?

It is owned by the State Highway Agency.