US Bridges

Dairy Ashford SB over Keegans Byu

FairPosted for load

Harris County, Texas · 1.00 MI S of Bissonet ST · Structure no. 121020B17911009

Built
1976
49 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
92 ft
3 main spans
Daily traffic
7,160
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dairy Ashford SB over Keegans Byu is a concrete stringer/multi-beam or girder carrying Dairy Ashford SB over Keegans Byu in Harris County, Texas. It was built in 1976, so it is 49 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 7,160 vehicles a day, projected to reach 10,000 by 2033. The structure is 92 ft (28 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDairy Ashford SB
CrossesKeegans Byu
Location1.00 MI S of Bissonet ST
RouteCity Street 61
CountyHarris County
StateTexas
Coordinates29.66577, -95.59931
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length92 ft (28 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,160 (2013)
Projected traffic10,000 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dairy Ashford SB over Keegans Byu built?

It was built in 1976, making it 49 years old in 2025.

What condition is Dairy Ashford SB over Keegans Byu 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 Dairy Ashford SB over Keegans Byu carry?

About 7,160 vehicles per day (2013 count).

How long is Dairy Ashford SB over Keegans Byu?

The structure is 92 ft (28 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Dairy Ashford SB over Keegans Byu?

It is owned by the City or Municipal Highway Agency.