US Bridges

Keegan RD over Keegans Byu

FairPosted for load

Harris County, Texas · 0.70 MI S of Bissonnet · Structure no. 121020B35619001

Built
1977
48 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
2,930
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Keegan RD over Keegans Byu is a concrete stringer/multi-beam or girder carrying Keegan RD over Keegans Byu in Harris County, Texas. It was built in 1977, so it is 48 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 2,930 vehicles a day, projected to reach 3,500 by 2033. The structure is 91 ft (27.7 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKeegan RD
CrossesKeegans Byu
Location0.70 MI S of Bissonnet
RouteCity Street 0
StateTexas
Coordinates29.66591, -95.59497
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,930 (2013)
Projected traffic3,500 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-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$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Keegan RD over Keegans Byu built?

It was built in 1977, making it 48 years old in 2025.

What condition is Keegan RD 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 Keegan RD over Keegans Byu carry?

About 2,930 vehicles per day (2013 count).

How long is Keegan RD over Keegans Byu?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns Keegan RD over Keegans Byu?

It is owned by the City or Municipal Highway Agency.