US Bridges

Blalock RD NB over Brickhouse Gully

Fair

Harris County, Texas · 0.11 MI S of Clay RD · Structure no. 121020B08129004

Built
2002
23 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
19,350
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blalock RD NB over Brickhouse Gully is a prestressed concrete box beam or girders - multiple carrying Blalock RD NB over Brickhouse Gully in Harris County, Texas. It was built in 2002, so it is 23 years old, younger 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 19,350 vehicles a day, roughly 1% of them trucks, projected to reach 25,010 by 2035. The structure is 70 ft (21.3 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesBlalock RD NB
CrossesBrickhouse Gully
Location0.11 MI S of Clay RD
RouteCity Street 59
CountyHarris County
StateTexas
Coordinates29.83099, -95.52364
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than 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 rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,350 (2013)
Projected traffic25,010 by 2035
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

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

Frequently asked questions

When was Blalock RD NB over Brickhouse Gully built?

It was built in 2002, making it 23 years old in 2025.

What condition is Blalock RD NB over Brickhouse Gully 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 Blalock RD NB over Brickhouse Gully carry?

About 19,350 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Blalock RD NB over Brickhouse Gully?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns Blalock RD NB over Brickhouse Gully?

It is owned by the City or Municipal Highway Agency.