US Bridges

Normandy ST NB over Greens Bayou

Good

Harris County, Texas · 0.30 MI N of IH 10 · Structure no. 121020B47457315

Built
1978
47 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
350 ft
5 main spans
Daily traffic
5,000
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Normandy ST NB over Greens Bayou is a prestressed concrete box beam or girders - multiple carrying Normandy ST NB over Greens Bayou in Harris County, Texas. It was built in 1978, so it is 47 years old, older 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 6,000 by 2033. The structure is 350 ft (106.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNormandy ST NB
CrossesGreens Bayou
Location0.30 MI N of IH 10
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.77554, -95.20644
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 spans5
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2013)
Projected traffic6,000 by 2033
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

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$21,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Normandy ST NB over Greens Bayou built?

It was built in 1978, making it 47 years old in 2025.

What condition is Normandy ST NB over Greens 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 November 2023.

How much traffic does Normandy ST NB over Greens Bayou carry?

About 5,000 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Normandy ST NB over Greens Bayou?

The structure is 350 ft (106.7 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns Normandy ST NB over Greens Bayou?

It is owned by the City or Municipal Highway Agency.