US Bridges

SH 16 over Drain

Good

Bexar County, Texas · 2.9 MI S of IH 410 · Structure no. 150150061301018

Built
1983
42 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
24,594
2022 count
Owner
State
State Highway Agency

About this bridge

SH 16 over Drain is a concrete culvert carrying SH 16 over Drain in Bexar County, Texas. It was built in 1983, so it is 42 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,594 vehicles a day, roughly 18% of them trucks, projected to reach 40,334 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSH 16
CrossesDrain
Location2.9 MI S of IH 410
RouteState Highway 16
StateTexas
Coordinates29.28115, -98.56691
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,594 (2022)
Projected traffic40,334 by 2042
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

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 SH 16 over Drain built?

It was built in 1983, making it 42 years old in 2025.

What condition is SH 16 over Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does SH 16 over Drain carry?

About 24,594 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is SH 16 over Drain?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m).

Who owns SH 16 over Drain?

It is owned by the State Highway Agency.