US Bridges

Mangum RD over Brickhouse Gully

FairPosted for load

Harris County, Texas · 0.40 MI W of W 43rd ST · Structure no. 121020B41921479

Built
1965
60 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
9,810
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mangum RD over Brickhouse Gully is a concrete continuous slab carrying Mangum RD over Brickhouse Gully in Harris County, Texas. It was built in 1965, so it is 60 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 9,810 vehicles a day, projected to reach 11,600 by 2032. The structure is 79 ft (24.1 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMangum RD
CrossesBrickhouse Gully
Location0.40 MI W of W 43rd ST
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.8267, -95.46217
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span28 ft (8.5 m)
Deck width54 ft (16.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,810 (2012)
Projected traffic11,600 by 2032
Trucks0%
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

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$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mangum RD over Brickhouse Gully built?

It was built in 1965, making it 60 years old in 2025.

What condition is Mangum RD 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 December 2023.

How much traffic does Mangum RD over Brickhouse Gully carry?

About 9,810 vehicles per day (2012 count).

How long is Mangum RD over Brickhouse Gully?

The structure is 79 ft (24.1 m) long with a longest span of 28 ft (8.5 m) and a deck 54 ft wide.

Who owns Mangum RD over Brickhouse Gully?

It is owned by the City or Municipal Highway Agency.