US Bridges

Katy Flewellen EB over Buffalo Bayou

Fair

Fort Bend County, Texas · 0.44 M SW of Pin Oak Rd. · Structure no. 120800AA0376001

Built
2011
14 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
3 main spans
Daily traffic
6,200
2009 count
Owner
County
County Highway Agency

About this bridge

Katy Flewellen EB over Buffalo Bayou is a prestressed concrete stringer/multi-beam or girder carrying Katy Flewellen EB over Buffalo Bayou in Fort Bend County, Texas. It was built in 2011, so it is 14 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 6,200 vehicles a day, roughly 2% of them trucks, projected to reach 16,500 by 2028. The structure is 260 ft (79.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKaty Flewellen EB
CrossesBuffalo Bayou
Location0.44 M SW of Pin Oak Rd.
RouteCounty Highway 0
CountyFort Bend County
StateTexas
Coordinates29.76524, -95.82262
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length260 ft (79.2 m)
Longest span91 ft (27.7 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2009)
Projected traffic16,500 by 2028
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Katy Flewellen EB over Buffalo Bayou built?

It was built in 2011, making it 14 years old in 2025.

What condition is Katy Flewellen EB over Buffalo 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 August 2023.

How much traffic does Katy Flewellen EB over Buffalo Bayou carry?

About 6,200 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Katy Flewellen EB over Buffalo Bayou?

The structure is 260 ft (79.2 m) long with a longest span of 91 ft (27.7 m) and a deck 32 ft wide.

Who owns Katy Flewellen EB over Buffalo Bayou?

It is owned by the County Highway Agency.