US Bridges

Bw 8 EB over Imperial Valley

Fair

Harris County, Texas · 0.6 MI E of Greenspoint · Structure no. 121020325602027

Built
1986
39 years old, rebuilt 2014
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
472 ft
3 main spans
Daily traffic
80,357
2021 count
Owner
State
State Highway Agency

About this bridge

Bw 8 EB over Imperial Valley is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 EB over Imperial Valley in Harris County, Texas. It was built in 1986 and reconstructed in 2014, 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 80,357 vehicles a day, roughly 8% of them trucks, projected to reach 112,499 by 2041. The structure is 472 ft (143.9 m) long and 81 ft wide.

CarriesBw 8 EB
CrossesImperial Valley
Location0.6 MI E of Greenspoint
RouteState Highway 8
StateTexas
Coordinates29.93913, -95.39722
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length472 ft (143.9 m)
Longest span124 ft (37.8 m)
Deck width81 ft (24.8 m)
Roadway width78 ft (23.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,357 (2021)
Projected traffic112,499 by 2041
Trucks8%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bw 8 EB over Imperial Valley built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2014.

What condition is Bw 8 EB over Imperial Valley 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 October 2022.

How much traffic does Bw 8 EB over Imperial Valley carry?

About 80,357 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Bw 8 EB over Imperial Valley?

The structure is 472 ft (143.9 m) long with a longest span of 124 ft (37.8 m) and a deck 81 ft wide.

Who owns Bw 8 EB over Imperial Valley?

It is owned by the State Highway Agency.