US Bridges

Mclain Blvd NB over Hcfcd Ditch

Fair

Harris County, Texas · 0.3 MI S of W.Airport Blv · Structure no. 121020R00725002

Built
1977
48 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,530
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mclain Blvd NB over Hcfcd Ditch is a prestressed concrete box beam or girders - multiple carrying Mclain Blvd NB over Hcfcd Ditch in Harris County, Texas. It was built in 1977, so it is 48 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 1,530 vehicles a day, projected to reach 500 by 2031. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMclain Blvd NB
CrossesHcfcd Ditch
Location0.3 MI S of W.Airport Blv
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.63801, -95.51873
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,530 (2011)
Projected traffic500 by 2031
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mclain Blvd NB over Hcfcd Ditch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Mclain Blvd NB 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 September 2023.

How much traffic does Mclain Blvd NB over Hcfcd Ditch carry?

About 1,530 vehicles per day (2011 count).

How long is Mclain Blvd NB over Hcfcd Ditch?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Mclain Blvd NB over Hcfcd Ditch?

It is owned by the Town or Township Highway Agency.