US Bridges

Bw 8 SB Ent Ramp over Sims Bayou

Good

Harris County, Texas · 0.35 MI SE of US 90A · Structure no. 121020325604322

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
3,000
2010 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Bw 8 SB Ent Ramp over Sims Bayou is a prestressed concrete box beam or girders - multiple carrying Bw 8 SB Ent Ramp over Sims Bayou in Harris County, Texas. It was built in 2001, so it is 24 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 3,000 vehicles a day, roughly 6% of them trucks, projected to reach 5,000 by 2028. The structure is 150 ft (45.7 m) long and 27 ft wide.

CarriesBw 8 SB Ent Ramp
CrossesSims Bayou
Location0.35 MI SE of US 90A
StateTexas
Coordinates29.62302, -95.51414
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.
Superstructure8 Very GoodNo problems noted.
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 evaluation7: Better than 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2010)
Projected traffic5,000 by 2028
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bw 8 SB Ent Ramp over Sims Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Bw 8 SB Ent Ramp over Sims Bayou 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 August 2024.

How much traffic does Bw 8 SB Ent Ramp over Sims Bayou carry?

About 3,000 vehicles per day (2010 count), of which roughly 6% are trucks.

How long is Bw 8 SB Ent Ramp over Sims Bayou?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns Bw 8 SB Ent Ramp over Sims Bayou?

It is owned by the Local Toll Authority.