US Bridges

SH 151 over Drain

Good

Bexar County, Texas · 4.1 MI NW of Lp 410 · Structure no. 150150350801010

Built
1987
38 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
59 ft
6 main spans
Daily traffic
74,845
2022 count
Owner
State
State Highway Agency

About this bridge

SH 151 over Drain is a concrete culvert carrying SH 151 over Drain in Bexar County, Texas. It was built in 1987, so it is 38 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 74,845 vehicles a day, roughly 3% of them trucks, projected to reach 60,190 by 2033. The structure is 59 ft (18 m) long.

CarriesSH 151
CrossesDrain
Location4.1 MI NW of Lp 410
RouteState Highway 151
StateTexas
Coordinates29.46809, -98.69441
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 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 spans6
Design loadHS 20
Structure length59 ft (18 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,845 (2022)
Projected traffic60,190 by 2033
Trucks3%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 151 over Drain built?

It was built in 1987, making it 38 years old in 2025.

What condition is SH 151 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 June 2024.

How much traffic does SH 151 over Drain carry?

About 74,845 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SH 151 over Drain?

The structure is 59 ft (18 m) long with a longest span of 8 ft (2.4 m).

Who owns SH 151 over Drain?

It is owned by the State Highway Agency.