US Bridges

Blalock RD SB over Hcfcd Ditch

FairPosted for load

Harris County, Texas · 0.20 MI N of Kempwood · Structure no. 121020B08129002

Built
1973
52 years old
Condition
Fair
inspected September 2023
Type
Other
Prestressed Concrete
Length
60 ft
3 main spans
Daily traffic
19,350
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blalock RD SB over Hcfcd Ditch is a prestressed concrete other carrying Blalock RD SB over Hcfcd Ditch in Harris County, Texas. It was built in 1973, so it is 52 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. Its operating status is: posted for load restriction.

It carries about 19,350 vehicles a day, projected to reach 25,010 by 2033. The structure is 60 ft (18.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBlalock RD SB
CrossesHcfcd Ditch
Location0.20 MI N of Kempwood
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.82486, -95.52266
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,350 (2013)
Projected traffic25,010 by 2033
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Blalock RD SB over Hcfcd Ditch built?

It was built in 1973, making it 52 years old in 2025.

What condition is Blalock RD SB 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 Blalock RD SB over Hcfcd Ditch carry?

About 19,350 vehicles per day (2013 count).

How long is Blalock RD SB over Hcfcd Ditch?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns Blalock RD SB over Hcfcd Ditch?

It is owned by the City or Municipal Highway Agency.