US Bridges

W Mayfield Ave. over Six Mile Creek

Good

Bexar County, Texas · 0.26 MI W of Zarzamora ST · Structure no. 150150B22215001

Built
1985
40 years old, rebuilt 2009
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
67 ft
6 main spans
Daily traffic
3,140
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Mayfield Ave. over Six Mile Creek is a concrete culvert carrying W Mayfield Ave. over Six Mile Creek in Bexar County, Texas. It was built in 1985 and reconstructed in 2009, so it is 40 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 3,140 vehicles a day, projected to reach 2,500 by 2031. The structure is 67 ft (20.4 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesW Mayfield Ave.
CrossesSix Mile Creek
Location0.26 MI W of Zarzamora ST
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.36163, -98.53832
Functional classUrban Local

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 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than 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 spans6
Design loadUnknown
Structure length67 ft (20.4 m)
Longest span10 ft (3 m)
Deck width49 ft (14.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,140 (2020)
Projected traffic2,500 by 2031
Trucks0%
Lanes on structure2
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 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 W Mayfield Ave. over Six Mile Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2009.

What condition is W Mayfield Ave. over Six Mile Creek 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 May 2023.

How much traffic does W Mayfield Ave. over Six Mile Creek carry?

About 3,140 vehicles per day (2020 count).

How long is W Mayfield Ave. over Six Mile Creek?

The structure is 67 ft (20.4 m) long with a longest span of 10 ft (3 m) and a deck 49 ft wide.

Who owns W Mayfield Ave. over Six Mile Creek?

It is owned by the City or Municipal Highway Agency.