US Bridges

S Airfield (SAD1) over Trigg Lake

Fair

Tarrant County, Texas · 0.15 MI W of Intl Pkwy · Structure no. 022200F00409002

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
74 ft
7 main spans
Daily traffic
15,431
2022 count
Owner
Local
Other Local Agency

About this bridge

S Airfield (SAD1) over Trigg Lake is a concrete culvert carrying S Airfield (SAD1) over Trigg Lake in Tarrant County, Texas. It was built in 1970, so it is 55 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 15,431 vehicles a day, roughly 3% of them trucks, projected to reach 4,072 by 2036. The structure is 74 ft (22.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesS Airfield (SAD1)
CrossesTrigg Lake
Location0.15 MI W of Intl Pkwy
CountyTarrant County
StateTexas
Coordinates32.86229, -97.04324
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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
DeckNot applicable
Main spans7
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,431 (2022)
Projected traffic4,072 by 2036
Trucks3%
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

OwnerOther Local Agency
Maintained byOther Local 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 S Airfield (SAD1) over Trigg Lake built?

It was built in 1970, making it 55 years old in 2025.

What condition is S Airfield (SAD1) over Trigg Lake 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 2024.

How much traffic does S Airfield (SAD1) over Trigg Lake carry?

About 15,431 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is S Airfield (SAD1) over Trigg Lake?

The structure is 74 ft (22.6 m) long with a longest span of 10 ft (3 m).

Who owns S Airfield (SAD1) over Trigg Lake?

It is owned by the Other Local Agency.