US Bridges

Bw 8 NB / IH 10 WB over IH 10 Ramps C & D

Good

Harris County, Texas · 4.9 MI E of SH 6 · Structure no. 121020325601401

Built
2007
18 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
1,641 ft
6 main spans
Daily traffic
43,481
2023 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Bw 8 NB / IH 10 WB over IH 10 Ramps C & D is a steel continuous box beam or girders - multiple carrying Bw 8 NB / IH 10 WB over IH 10 Ramps C & D in Harris County, Texas. It was built in 2007, so it is 18 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 43,481 vehicles a day, roughly 2% of them trucks, projected to reach 6,600 by 2036. The structure is 1,641 ft (500.2 m) long and 29 ft wide.

CarriesBw 8 NB / IH 10 WB
CrossesIH 10 Ramps C & D
Location4.9 MI E of SH 6
StateTexas
Coordinates29.78019, -95.56273
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length1,641 ft (500.2 m)
Longest span365 ft (111.3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,481 (2023)
Projected traffic6,600 by 2036
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesFourth level (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 / IH 10 WB over IH 10 Ramps C & D built?

It was built in 2007, making it 18 years old in 2025.

What condition is Bw 8 NB / IH 10 WB over IH 10 Ramps C & D 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 November 2024.

How much traffic does Bw 8 NB / IH 10 WB over IH 10 Ramps C & D carry?

About 43,481 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Bw 8 NB / IH 10 WB over IH 10 Ramps C & D?

The structure is 1,641 ft (500.2 m) long with a longest span of 365 ft (111.3 m) and a deck 29 ft wide.

Who owns Bw 8 NB / IH 10 WB over IH 10 Ramps C & D?

It is owned by the Local Toll Authority.