US Bridges

IH 410 Ent Ramp over IH 410 Sbml Ext Ramp

Fair

Bexar County, Texas · 0.4 MI NE from W Military · Structure no. 150150052104405

Built
2018
7 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,028 ft
1 main span
Daily traffic
203,800
2016 count
Owner
State
State Highway Agency

About this bridge

IH 410 Ent Ramp over IH 410 Sbml Ext Ramp is a steel stringer/multi-beam or girder carrying IH 410 Ent Ramp over IH 410 Sbml Ext Ramp in Bexar County, Texas. It was built in 2018, so it is 7 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 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 203,800 vehicles a day, projected to reach 1 by 1900. The structure is 1,028 ft (313.3 m) long and 26 ft wide.

CarriesIH 410 Ent Ramp
CrossesIH 410 Sbml Ext Ramp
Location0.4 MI NE from W Military
RouteState Highway 410
StateTexas
Coordinates29.44725, -98.63491
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum 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
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHL 93
Structure length1,028 ft (313.3 m)
Longest span238 ft (72.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203,800 (2016)
Projected traffic1 by 1900
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemNo
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 410 Ent Ramp over IH 410 Sbml Ext Ramp built?

It was built in 2018, making it 7 years old in 2025.

What condition is IH 410 Ent Ramp over IH 410 Sbml Ext Ramp 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 IH 410 Ent Ramp over IH 410 Sbml Ext Ramp carry?

About 203,800 vehicles per day (2016 count).

How long is IH 410 Ent Ramp over IH 410 Sbml Ext Ramp?

The structure is 1,028 ft (313.3 m) long with a longest span of 238 ft (72.5 m) and a deck 26 ft wide.

Who owns IH 410 Ent Ramp over IH 410 Sbml Ext Ramp?

It is owned by the State Highway Agency.