US Bridges

Fairford DR over Zarzamora Crk Trib

Fair

Bexar County, Texas · 0.15 MI S of IH 410 · Structure no. 150150B11660001

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
66 ft
10 main spans
Daily traffic
594
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fairford DR over Zarzamora Crk Trib is a concrete culvert carrying Fairford DR over Zarzamora Crk Trib in Bexar County, Texas. It was built in 1968, so it is 57 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 594 vehicles a day, projected to reach 970 by 2031. The structure is 66 ft (20.1 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFairford DR
CrossesZarzamora Crk Trib
Location0.15 MI S of IH 410
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.48482, -98.58598
Functional classUrban Local

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
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 spans10
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span6 ft (1.8 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic594 (2020)
Projected traffic970 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 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 Fairford DR over Zarzamora Crk Trib built?

It was built in 1968, making it 57 years old in 2025.

What condition is Fairford DR over Zarzamora Crk Trib 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 June 2023.

How much traffic does Fairford DR over Zarzamora Crk Trib carry?

About 594 vehicles per day (2020 count).

How long is Fairford DR over Zarzamora Crk Trib?

The structure is 66 ft (20.1 m) long with a longest span of 6 ft (1.8 m) and a deck 36 ft wide.

Who owns Fairford DR over Zarzamora Crk Trib?

It is owned by the City or Municipal Highway Agency.