US Bridges

SH 6 NB On-Ramp B over SH 6 NB Off-Ramp

Good

Fort Bend County, Texas · 1.75 MI NW of US 59 · Structure no. 120800019201058

Built
2007
18 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,161 ft
11 main spans
Daily traffic
5,001
2010 count
Owner
State
State Highway Agency

About this bridge

SH 6 NB On-Ramp B over SH 6 NB Off-Ramp is a prestressed concrete stringer/multi-beam or girder carrying SH 6 NB On-Ramp B over SH 6 NB Off-Ramp in Fort Bend 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 5,001 vehicles a day, roughly 10% of them trucks, projected to reach 6,000 by 2030. The structure is 1,161 ft (353.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 6 NB On-Ramp B
CrossesSH 6 NB Off-Ramp
Location1.75 MI NW of US 59
RouteState Highway 6
CountyFort Bend County
StateTexas
Coordinates29.61159, -95.64677
Functional classUrban Other Principal Arterial

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum 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, precast panels
Main spans11
Design loadHS 20
Structure length1,161 ft (353.9 m)
Longest span116 ft (35.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,001 (2010)
Projected traffic6,000 by 2030
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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 SH 6 NB On-Ramp B over SH 6 NB Off-Ramp built?

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

What condition is SH 6 NB On-Ramp B over SH 6 NB Off-Ramp 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 December 2024.

How much traffic does SH 6 NB On-Ramp B over SH 6 NB Off-Ramp carry?

About 5,001 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is SH 6 NB On-Ramp B over SH 6 NB Off-Ramp?

The structure is 1,161 ft (353.9 m) long with a longest span of 116 ft (35.4 m) and a deck 26 ft wide.

Who owns SH 6 NB On-Ramp B over SH 6 NB Off-Ramp?

It is owned by the State Highway Agency.