US Bridges

IH 37 SB over Salado Creek

Good

Bexar County, Texas · 1.00 MI S of IH 410 · Structure no. 150150007308074

Built
1967
58 years old, rebuilt 2009
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
704 ft
9 main spans
Daily traffic
41,520
2019 count
Owner
State
State Highway Agency

About this bridge

IH 37 SB over Salado Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 37 SB over Salado Creek in Bexar County, Texas. It was built in 1967 and reconstructed in 2009, so it is 58 years old, older 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 41,520 vehicles a day, roughly 2% of them trucks, projected to reach 58,455 by 2036. The structure is 704 ft (214.6 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 37 SB
CrossesSalado Creek
Location1.00 MI S of IH 410
RouteInterstate 37
StateTexas
Coordinates29.31861, -98.40815
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9 (+1 approach)
Design loadHS 20
Structure length704 ft (214.6 m)
Longest span71 ft (21.6 m)
Deck width57 ft (17.5 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,520 (2019)
Projected traffic58,455 by 2036
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 37 SB over Salado Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2009.

What condition is IH 37 SB over Salado Creek 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 August 2024.

How much traffic does IH 37 SB over Salado Creek carry?

About 41,520 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is IH 37 SB over Salado Creek?

The structure is 704 ft (214.6 m) long with a longest span of 71 ft (21.6 m) and a deck 57 ft wide.

Who owns IH 37 SB over Salado Creek?

It is owned by the State Highway Agency.