US Bridges

Commercial Ave over Six Mile Creek

Fair

Bexar County, Texas · 0.95 MI N of Lp 410 · Structure no. 150150B07515006

Built
1960
65 years old, rebuilt 1992
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
98 ft
9 main spans
Daily traffic
6,232
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Commercial Ave over Six Mile Creek is a concrete culvert carrying Commercial Ave over Six Mile Creek in Bexar County, Texas. It was built in 1960 and reconstructed in 1992, 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 6,232 vehicles a day, roughly 1% of them trucks, projected to reach 12,000 by 2031. The structure is 98 ft (29.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCommercial Ave
CrossesSix Mile Creek
Location0.95 MI N of Lp 410
RouteCity Street 8176
CountyBexar County
StateTexas
Coordinates29.33389, -98.51622
Functional classUrban Minor 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadUnknown
Structure length98 ft (29.9 m)
Longest span10 ft (3 m)
Deck width52 ft (15.9 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,232 (2020)
Projected traffic12,000 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$367,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Commercial Ave over Six Mile Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1992.

What condition is Commercial Ave over Six Mile Creek 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 May 2023.

How much traffic does Commercial Ave over Six Mile Creek carry?

About 6,232 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Commercial Ave over Six Mile Creek?

The structure is 98 ft (29.9 m) long with a longest span of 10 ft (3 m) and a deck 52 ft wide.

Who owns Commercial Ave over Six Mile Creek?

It is owned by the City or Municipal Highway Agency.