US Bridges

IH 10 EB Elev Ml over W Magnolia to N Frio ST

Fair

Bexar County, Texas · IH 10 Inbound Dwntwn Y · Structure no. 150150007212205

Built
1993
32 years old
Condition
Fair
inspected July 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
8,040 ft
79 main spans
Daily traffic
193,223
2023 count
Owner
State
State Highway Agency

About this bridge

IH 10 EB Elev Ml over W Magnolia to N Frio ST is a prestressed concrete continuous segmental box girder carrying IH 10 EB Elev Ml over W Magnolia to N Frio ST in Bexar County, Texas. It was built in 1993, so it is 32 years old, younger 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 5 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 193,223 vehicles a day, roughly 5% of them trucks, projected to reach 270,512 by 2042. The structure is 8,040 ft (2,450.6 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 10 EB Elev Ml
CrossesW Magnolia to N Frio ST
LocationIH 10 Inbound Dwntwn Y
RouteInterstate 10
StateTexas
Coordinates29.44278, -98.51467
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans79
Design loadHS 20
Structure length8,040 ft (2,450.6 m)
Longest span112 ft (34.1 m)
Deck width64 ft (19.4 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic193,223 (2023)
Projected traffic270,512 by 2042
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway and railroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 10 EB Elev Ml over W Magnolia to N Frio ST built?

It was built in 1993, making it 32 years old in 2025.

What condition is IH 10 EB Elev Ml over W Magnolia to N Frio ST 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 July 2024.

How much traffic does IH 10 EB Elev Ml over W Magnolia to N Frio ST carry?

About 193,223 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IH 10 EB Elev Ml over W Magnolia to N Frio ST?

The structure is 8,040 ft (2,450.6 m) long with a longest span of 112 ft (34.1 m) and a deck 64 ft wide.

Who owns IH 10 EB Elev Ml over W Magnolia to N Frio ST?

It is owned by the State Highway Agency.