US Bridges

IH37 Conn to 410NB over Salado Creek

Fair

Bexar County, Texas · 0.20 MI E of IH 37 · Structure no. 150150007308070

Built
1969
56 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
550 ft
8 main spans
Daily traffic
16,246
2018 count
Owner
State
State Highway Agency

About this bridge

IH37 Conn to 410NB over Salado Creek is a steel continuous stringer/multi-beam or girder carrying IH37 Conn to 410NB over Salado Creek in Bexar County, Texas. It was built in 1969, so it is 56 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 16,246 vehicles a day, projected to reach 21,020 by 2036. The structure is 550 ft (167.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH37 Conn to 410NB
CrossesSalado Creek
Location0.20 MI E of IH 37
RouteInterstate 37
CountyBexar County
StateTexas
Coordinates29.33129, -98.4121
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 rating56 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+1 approach)
Design loadHS 20
Structure length550 ft (167.6 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,246 (2018)
Projected traffic21,020 by 2036
Trucks0%
Lanes on structure1
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 IH37 Conn to 410NB over Salado Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is IH37 Conn to 410NB 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 August 2024.

How much traffic does IH37 Conn to 410NB over Salado Creek carry?

About 16,246 vehicles per day (2018 count).

How long is IH37 Conn to 410NB over Salado Creek?

The structure is 550 ft (167.6 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns IH37 Conn to 410NB over Salado Creek?

It is owned by the State Highway Agency.