US Bridges

Airline Dr;west RD over Hcfcd Ditch

Fair

Harris County, Texas · 1.15 MI S of FM 525 · Structure no. 121020AA6011001

Built
1950
75 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
16,660
2015 count
Owner
County
County Highway Agency

About this bridge

Airline Dr;west RD over Hcfcd Ditch is a concrete culvert carrying Airline Dr;west RD over Hcfcd Ditch in Harris County, Texas. It was built in 1950, so it is 75 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 16,660 vehicles a day, roughly 5% of them trucks, projected to reach 20,000 by 2035. The structure is 24 ft (7.3 m) long and 450 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAirline Dr;west RD
CrossesHcfcd Ditch
Location1.15 MI S of FM 525
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.91532, -95.40579
Functional classRural Principal Arterial - Other

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
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
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width450 ft (137.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,660 (2015)
Projected traffic20,000 by 2035
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$35,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Airline Dr;west RD over Hcfcd Ditch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Airline Dr;west RD over Hcfcd Ditch 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 November 2023.

How much traffic does Airline Dr;west RD over Hcfcd Ditch carry?

About 16,660 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Airline Dr;west RD over Hcfcd Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 450 ft wide.

Who owns Airline Dr;west RD over Hcfcd Ditch?

It is owned by the County Highway Agency.