US Bridges

Space Ctr Blvd NB over Armand Bayou

Good

Harris County, Texas · 0.15 MI S of Spencer HWY · Structure no. 121020C01576003

Built
2001
24 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
3 main spans
Daily traffic
2,500
2009 count
Owner
County
County Highway Agency

About this bridge

Space Ctr Blvd NB over Armand Bayou is a prestressed concrete box beam or girders - multiple carrying Space Ctr Blvd NB over Armand Bayou in Harris County, Texas. It was built in 2001, so it is 24 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,500 vehicles a day, roughly 1% of them trucks, projected to reach 2,500 by 2026. The structure is 101 ft (30.8 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSpace Ctr Blvd NB
CrossesArmand Bayou
Location0.15 MI S of Spencer HWY
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.66348, -95.14409
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2009)
Projected traffic2,500 by 2026
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Space Ctr Blvd NB over Armand Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Space Ctr Blvd NB over Armand Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Space Ctr Blvd NB over Armand Bayou carry?

About 2,500 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Space Ctr Blvd NB over Armand Bayou?

The structure is 101 ft (30.8 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns Space Ctr Blvd NB over Armand Bayou?

It is owned by the County Highway Agency.