US Bridges

IH 35 SB Ml over Salado Creek

Fair

Bexar County, Texas · 3.50 MI E of IH 37/US 281 · Structure no. 150150001710170

Built
1962
63 years old, rebuilt 2016
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
604 ft
12 main spans
Daily traffic
125,425
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 SB Ml over Salado Creek is a steel continuous stringer/multi-beam or girder carrying IH 35 SB Ml over Salado Creek in Bexar County, Texas. It was built in 1962 and reconstructed in 2016, 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 125,425 vehicles a day, roughly 10% of them trucks, projected to reach 175,595 by 2042. The structure is 604 ft (184.1 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 SB Ml
CrossesSalado Creek
Location3.50 MI E of IH 37/US 281
RouteInterstate 35
StateTexas
Coordinates29.45009, -98.42307
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length604 ft (184.1 m)
Longest span55 ft (16.8 m)
Deck width66 ft (20.1 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125,425 (2022)
Projected traffic175,595 by 2042
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$58,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 SB Ml over Salado Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2016.

What condition is IH 35 SB Ml over Salado Creek 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 SB Ml over Salado Creek carry?

About 125,425 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IH 35 SB Ml over Salado Creek?

The structure is 604 ft (184.1 m) long with a longest span of 55 ft (16.8 m) and a deck 66 ft wide.

Who owns IH 35 SB Ml over Salado Creek?

It is owned by the State Highway Agency.