US Bridges

SP330E to SH 146 C over SH 146

Good

Harris County, Texas · At Int SH 146 & Spur 330 · Structure no. 121020038913344

Built
2010
15 years old, rebuilt 2014
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
4,334 ft
1 main span
Daily traffic
51,900
2013 count
Owner
State
State Highway Agency

About this bridge

SP330E to SH 146 C over SH 146 is a prestressed concrete stringer/multi-beam or girder carrying SP330E to SH 146 C over SH 146 in Harris County, Texas. It was built in 2010 and reconstructed in 2014, so it is 15 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 51,900 vehicles a day, projected to reach 99,200 by 2033. The structure is 4,334 ft (1,321 m) long and 29 ft wide.

Location

Open in Google Maps
CarriesSP330E to SH 146 C
CrossesSH 146
LocationAt Int SH 146 & Spur 330
RouteState Highway 146
CountyHarris County
StateTexas
Coordinates29.75286, -94.99062
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 48 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 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 spans1 (+38 approach)
Design loadHL 93
Structure length4,334 ft (1,321 m)
Longest span145 ft (44.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic51,900 (2013)
Projected traffic99,200 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 SP330E to SH 146 C over SH 146 built?

It was built in 2010, making it 15 years old in 2025. It was reconstructed in 2014.

What condition is SP330E to SH 146 C over SH 146 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 2022.

How much traffic does SP330E to SH 146 C over SH 146 carry?

About 51,900 vehicles per day (2013 count).

How long is SP330E to SH 146 C over SH 146?

The structure is 4,334 ft (1,321 m) long with a longest span of 145 ft (44.2 m) and a deck 29 ft wide.

Who owns SP330E to SH 146 C over SH 146?

It is owned by the State Highway Agency.