US Bridges

IH 410 over Drain

Fair

Bexar County, Texas · 0.1 MI N of Marbach RD · Structure no. 150150052104255

Built
1956
69 years old, rebuilt 2019
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
70,147
2020 count
Owner
State
State Highway Agency

About this bridge

IH 410 over Drain is a concrete culvert carrying IH 410 over Drain in Bexar County, Texas. It was built in 1956 and reconstructed in 2019, so it is 69 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 70,147 vehicles a day, roughly 16% of them trucks, projected to reach 175,900 by 2036. The structure is 20 ft (6.1 m) long.

CarriesIH 410
CrossesDrain
Location0.1 MI N of Marbach RD
RouteInterstate 410
StateTexas
Coordinates29.41786, -98.64962
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length20 ft (6.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,147 (2020)
Projected traffic175,900 by 2036
Trucks16%
Lanes on structure16
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 410 over Drain built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2019.

What condition is IH 410 over Drain 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 over Drain carry?

About 70,147 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is IH 410 over Drain?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).

Who owns IH 410 over Drain?

It is owned by the State Highway Agency.