US Bridges

Sl 345 / WB Conn a over Drain

Fair

Bexar County, Texas · 0.4 MI N of Huebner RD · Structure no. 150150007208051

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
19,889
2022 count
Owner
State
State Highway Agency

About this bridge

Sl 345 / WB Conn a over Drain is a concrete culvert carrying Sl 345 / WB Conn a over Drain in Bexar County, Texas. It was built in 1960, so it is 65 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 19,889 vehicles a day, roughly 4% of them trucks, projected to reach 27,845 by 2042. The structure is 23 ft (7 m) long and 92 ft wide.

CarriesSl 345 / WB Conn a
CrossesDrain
Location0.4 MI N of Huebner RD
RouteState Highway 345
StateTexas
Coordinates29.54776, -98.58473
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 width92 ft (28 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,889 (2022)
Projected traffic27,845 by 2042
Trucks4%
Lanes on structure4
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 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 Sl 345 / WB Conn a over Drain built?

It was built in 1960, making it 65 years old in 2025.

What condition is Sl 345 / WB Conn a 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 July 2024.

How much traffic does Sl 345 / WB Conn a over Drain carry?

About 19,889 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Sl 345 / WB Conn a over Drain?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m) and a deck 92 ft wide.

Who owns Sl 345 / WB Conn a over Drain?

It is owned by the State Highway Agency.