US Bridges

Dairy Ashford NB over Brays Bayou

Fair

Harris County, Texas · 4.30 MI S of IH 10 · Structure no. 121020B17911003

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
132 ft
3 main spans
Daily traffic
23,860
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dairy Ashford NB over Brays Bayou is a prestressed concrete box beam or girders - multiple carrying Dairy Ashford NB over Brays Bayou in Harris County, Texas. It was built in 1983, so it is 42 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 23,860 vehicles a day, projected to reach 25,000 by 2033. The structure is 132 ft (40.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesDairy Ashford NB
CrossesBrays Bayou
Location4.30 MI S of IH 10
RouteCity Street 61
CountyHarris County
StateTexas
Coordinates29.72146, -95.60489
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length132 ft (40.2 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,860 (2013)
Projected traffic25,000 by 2033
Trucks0%
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$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dairy Ashford NB over Brays Bayou built?

It was built in 1983, making it 42 years old in 2025.

What condition is Dairy Ashford NB over Brays Bayou 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 Dairy Ashford NB over Brays Bayou carry?

About 23,860 vehicles per day (2013 count).

How long is Dairy Ashford NB over Brays Bayou?

The structure is 132 ft (40.2 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns Dairy Ashford NB over Brays Bayou?

It is owned by the City or Municipal Highway Agency.