US Bridges

SP 330 WB Off Ramp over Spur 330 WB

Fair

Harris County, Texas · 0.45 MI NW of SH 146 · Structure no. 121020050807343

Built
2002
23 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
283 ft
2 main spans
Daily traffic
5,500
2012 count
Owner
State
State Highway Agency

About this bridge

SP 330 WB Off Ramp over Spur 330 WB is a prestressed concrete stringer/multi-beam or girder carrying SP 330 WB Off Ramp over Spur 330 WB in Harris County, Texas. It was built in 2002, so it is 23 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 5,500 vehicles a day, roughly 11% of them trucks, projected to reach 7,500 by 2032. The structure is 283 ft (86.3 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSP 330 WB Off Ramp
CrossesSpur 330 WB
Location0.45 MI NW of SH 146
RouteState Highway 330
StateTexas
Coordinates29.75161, -94.98924
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2 (+1 approach)
Design loadHS 20
Structure length283 ft (86.3 m)
Longest span114 ft (34.7 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2012)
Projected traffic7,500 by 2032
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 SP 330 WB Off Ramp over Spur 330 WB built?

It was built in 2002, making it 23 years old in 2025.

What condition is SP 330 WB Off Ramp over Spur 330 WB 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 September 2022.

How much traffic does SP 330 WB Off Ramp over Spur 330 WB carry?

About 5,500 vehicles per day (2012 count), of which roughly 11% are trucks.

How long is SP 330 WB Off Ramp over Spur 330 WB?

The structure is 283 ft (86.3 m) long with a longest span of 114 ft (34.7 m) and a deck 29 ft wide.

Who owns SP 330 WB Off Ramp over Spur 330 WB?

It is owned by the State Highway Agency.