US Bridges

Red Bluff RD over Armand Bayou (hcfcd)

FairPosted for load

Harris County, Texas · 0.15 MI N of Spencer HWY · Structure no. 121020AA2636002

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
18,030
2009 count
Owner
County
County Highway Agency

About this bridge

Red Bluff RD over Armand Bayou (hcfcd) is a concrete slab carrying Red Bluff RD over Armand Bayou (hcfcd) 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 5 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 18,030 vehicles a day, projected to reach 20,000 by 2028. The structure is 45 ft (13.7 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRed Bluff RD
CrossesArmand Bayou (hcfcd)
Location0.15 MI N of Spencer HWY
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.66749, -95.13438
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width56 ft (17.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,030 (2009)
Projected traffic20,000 by 2028
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$54,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Red Bluff RD over Armand Bayou (hcfcd) built?

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

What condition is Red Bluff RD over Armand Bayou (hcfcd) 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 Red Bluff RD over Armand Bayou (hcfcd) carry?

About 18,030 vehicles per day (2009 count).

How long is Red Bluff RD over Armand Bayou (hcfcd)?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 56 ft wide.

Who owns Red Bluff RD over Armand Bayou (hcfcd)?

It is owned by the County Highway Agency.