US Bridges

Bw 8 over Spencer HWY

Good

Harris County, Texas · 3.2 MI S of SH 225 · Structure no. 121020325603498

Built
2020
5 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
265 ft
1 main span
Daily traffic
49,665
2016 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Bw 8 over Spencer HWY is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 over Spencer HWY in Harris County, Texas. It was built in 2020, so it is 5 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49,665 vehicles a day, roughly 4% of them trucks, projected to reach 102,709 by 2036. The structure is 265 ft (80.8 m) long and 151 ft wide.

Location

Open in Google Maps
CarriesBw 8
CrossesSpencer HWY
Location3.2 MI S of SH 225
CountyHarris County
StateTexas
Coordinates29.66564, -95.15579
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: 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 spans1 (+2 approach)
Design loadHL 93
Structure length265 ft (80.8 m)
Longest span115 ft (35.1 m)
Deck width151 ft (45.9 m)
Roadway width146 ft (44.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,665 (2016)
Projected traffic102,709 by 2036
Trucks4%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollToll bridge
National Highway SystemYes

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 over Spencer HWY built?

It was built in 2020, making it 5 years old in 2025.

What condition is Bw 8 over Spencer HWY in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.

How much traffic does Bw 8 over Spencer HWY carry?

About 49,665 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is Bw 8 over Spencer HWY?

The structure is 265 ft (80.8 m) long with a longest span of 115 ft (35.1 m) and a deck 151 ft wide.

Who owns Bw 8 over Spencer HWY?

It is owned by the Local Toll Authority.