US Bridges

SH 146 over SH 146 Bus

Fair

Harris County, Texas · 2.70 MI E of Spur 330 · Structure no. 121020038903087

Built
1988
37 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
437 ft
6 main spans
Daily traffic
34,111
2021 count
Owner
State
State Highway Agency

About this bridge

SH 146 over SH 146 Bus is a prestressed concrete stringer/multi-beam or girder carrying SH 146 over SH 146 Bus in Harris County, Texas. It was built in 1988, so it is 37 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 34,111 vehicles a day, roughly 20% of them trucks, projected to reach 70,874 by 2042. The structure is 437 ft (133.2 m) long and 114 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 146
CrossesSH 146 Bus
Location2.70 MI E of Spur 330
RouteState Highway 146
StateTexas
Coordinates29.75523, -94.943
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: 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 spans6
Design loadHS 20
Structure length437 ft (133.2 m)
Longest span86 ft (26.2 m)
Deck width114 ft (34.7 m)
Roadway width109 ft (33.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,111 (2021)
Projected traffic70,874 by 2042
Trucks20%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 146 over SH 146 Bus built?

It was built in 1988, making it 37 years old in 2025.

What condition is SH 146 over SH 146 Bus 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 2024.

How much traffic does SH 146 over SH 146 Bus carry?

About 34,111 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is SH 146 over SH 146 Bus?

The structure is 437 ft (133.2 m) long with a longest span of 86 ft (26.2 m) and a deck 114 ft wide.

Who owns SH 146 over SH 146 Bus?

It is owned by the State Highway Agency.