US Bridges

Bw 8 NB over IH 10

Fair

Harris County, Texas · 1.15 MI W of Gessner RD · Structure no. 121020027107477

Built
1989
36 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,660 ft
3 main spans
Daily traffic
162,103
2023 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Bw 8 NB over IH 10 is a steel continuous stringer/multi-beam or girder carrying Bw 8 NB over IH 10 in Harris County, Texas. It was built in 1989, so it is 36 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 162,103 vehicles a day, roughly 7% of them trucks, projected to reach 226,944 by 2042. The structure is 1,660 ft (506 m) long and 59 ft wide.

Location

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CarriesBw 8 NB
CrossesIH 10
Location1.15 MI W of Gessner RD
CountyHarris County
StateTexas
Coordinates29.7841, -95.56301
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+10 approach)
Design loadHS 20
Structure length1,660 ft (506 m)
Longest span176 ft (53.6 m)
Deck width59 ft (18 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic162,103 (2023)
Projected traffic226,944 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bw 8 NB over IH 10 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Bw 8 NB over IH 10 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 November 2024.

How much traffic does Bw 8 NB over IH 10 carry?

About 162,103 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Bw 8 NB over IH 10?

The structure is 1,660 ft (506 m) long with a longest span of 176 ft (53.6 m) and a deck 59 ft wide.

Who owns Bw 8 NB over IH 10?

It is owned by the Local Toll Authority.