US Bridges

IH 410 NB Conn 1 over IH 410 & IH 37

Fair

Bexar County, Texas · IH 410 IH 37 · Structure no. 150150052106199

Built
1969
56 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
573 ft
3 main spans
Daily traffic
5,200
2013 count
Owner
State
State Highway Agency

About this bridge

IH 410 NB Conn 1 over IH 410 & IH 37 is a steel continuous stringer/multi-beam or girder carrying IH 410 NB Conn 1 over IH 410 & IH 37 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 5,200 vehicles a day, roughly 7% of them trucks, projected to reach 7,280 by 2033. The structure is 573 ft (174.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesIH 410 NB Conn 1
CrossesIH 410 & IH 37
LocationIH 410 IH 37
RouteInterstate 410
CountyBexar County
StateTexas
Coordinates29.32863, -98.41642
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadHS 20
Structure length573 ft (174.7 m)
Longest span97 ft (29.6 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deck17 ft (5 m)

Traffic and service

Average daily traffic5,200 (2013)
Projected traffic7,280 by 2033
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 410 NB Conn 1 over IH 410 & IH 37 built?

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

What condition is IH 410 NB Conn 1 over IH 410 & IH 37 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 NB Conn 1 over IH 410 & IH 37 carry?

About 5,200 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is IH 410 NB Conn 1 over IH 410 & IH 37?

The structure is 573 ft (174.7 m) long with a longest span of 97 ft (29.6 m) and a deck 26 ft wide.

Who owns IH 410 NB Conn 1 over IH 410 & IH 37?

It is owned by the State Highway Agency.