US Bridges

Bw 8 Sbfr over Keegans Bayou

Fair

Harris County, Texas · 0.2 MI SE of US 59 · Structure no. 121020325601156

Built
1991
34 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
13,988
2022 count
Owner
State
State Highway Agency

About this bridge

Bw 8 Sbfr over Keegans Bayou is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 Sbfr over Keegans Bayou in Harris County, Texas. It was built in 1991, so it is 34 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 13,988 vehicles a day, roughly 6% of them trucks, projected to reach 50,810 by 2033. The structure is 200 ft (61 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesBw 8 Sbfr
CrossesKeegans Bayou
Location0.2 MI SE of US 59
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.65833, -95.55649
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 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, cast-in-place
Main spans5
Design loadHS 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,988 (2022)
Projected traffic50,810 by 2033
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Bw 8 Sbfr over Keegans Bayou built?

It was built in 1991, making it 34 years old in 2025.

What condition is Bw 8 Sbfr over Keegans 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 2024.

How much traffic does Bw 8 Sbfr over Keegans Bayou carry?

About 13,988 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Bw 8 Sbfr over Keegans Bayou?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns Bw 8 Sbfr over Keegans Bayou?

It is owned by the State Highway Agency.