US Bridges

Bw 8 Nbfr over Brays Bayou

Fair

Harris County, Texas · 2.4 MI N of US 59 · Structure no. 121020325601045

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
19,701
2021 count
Owner
State
State Highway Agency

About this bridge

Bw 8 Nbfr over Brays Bayou is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 Nbfr over Brays Bayou in Harris County, Texas. It was built in 1986, so it is 39 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 19,701 vehicles a day, roughly 12% of them trucks, projected to reach 19,590 by 2033. The structure is 165 ft (50.3 m) long and 50 ft wide.

Location

Open in Google Maps
CarriesBw 8 Nbfr
CrossesBrays Bayou
Location2.4 MI N of US 59
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.69533, -95.55675
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
Deck7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
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 spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span65 ft (19.8 m)
Deck width50 ft (15.3 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,701 (2021)
Projected traffic19,590 by 2033
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$18,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bw 8 Nbfr over Brays Bayou built?

It was built in 1986, making it 39 years old in 2025.

What condition is Bw 8 Nbfr 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 August 2024.

How much traffic does Bw 8 Nbfr over Brays Bayou carry?

About 19,701 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Bw 8 Nbfr over Brays Bayou?

The structure is 165 ft (50.3 m) long with a longest span of 65 ft (19.8 m) and a deck 50 ft wide.

Who owns Bw 8 Nbfr over Brays Bayou?

It is owned by the State Highway Agency.