US Bridges

IH 10 EB over SP 536 & San Antonio Ri

Fair

Bexar County, Texas · 1.10 MI E of IH 37 · Structure no. 150150002502311

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,157 ft
16 main spans
Daily traffic
156,508
2023 count
Owner
State
State Highway Agency

About this bridge

IH 10 EB over SP 536 & San Antonio Ri is a steel continuous stringer/multi-beam or girder carrying IH 10 EB over SP 536 & San Antonio Ri in Bexar County, Texas. It was built in 1967, 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 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 156,508 vehicles a day, roughly 10% of them trucks, projected to reach 190,940 by 2042. The structure is 1,157 ft (352.7 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 10 EB
CrossesSP 536 & San Antonio Ri
Location1.10 MI E of IH 37
RouteInterstate 10
CountyBexar County
StateTexas
Coordinates29.39528, -98.4909
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.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans16 (+4 approach)
Design loadHS 20
Structure length1,157 ft (352.7 m)
Longest span92 ft (28 m)
Deck width78 ft (23.9 m)
Roadway width77 ft (23.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156,508 (2023)
Projected traffic190,940 by 2042
Trucks10%
Lanes on structure5
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 10 EB over SP 536 & San Antonio Ri built?

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

What condition is IH 10 EB over SP 536 & San Antonio Ri 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 10 EB over SP 536 & San Antonio Ri carry?

About 156,508 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IH 10 EB over SP 536 & San Antonio Ri?

The structure is 1,157 ft (352.7 m) long with a longest span of 92 ft (28 m) and a deck 78 ft wide.

Who owns IH 10 EB over SP 536 & San Antonio Ri?

It is owned by the State Highway Agency.