US Bridges

SH 146 SB Ml over Hcfcd Drain & UPRR

Fair

Harris County, Texas · SH146/SH225 Interchange · Structure no. 121020038912277

Built
1998
27 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,928 ft
25 main spans
Daily traffic
42,407
2023 count
Owner
State
State Highway Agency

About this bridge

SH 146 SB Ml over Hcfcd Drain & UPRR is a prestressed concrete stringer/multi-beam or girder carrying SH 146 SB Ml over Hcfcd Drain & UPRR in Harris County, Texas. It was built in 1998, so it is 27 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 42,407 vehicles a day, roughly 20% of them trucks, projected to reach 59,369 by 2042. The structure is 2,928 ft (892.5 m) long and 59 ft wide.

CarriesSH 146 SB Ml
CrossesHcfcd Drain & UPRR
LocationSH146/SH225 Interchange
RouteState Highway 146
StateTexas
Coordinates29.68708, -95.03056
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: 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 spans25 (+2 approach)
Design loadHS 20
Structure length2,928 ft (892.5 m)
Longest span122 ft (37.2 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck21 ft (6.4 m)

Traffic and service

Average daily traffic42,407 (2023)
Projected traffic59,369 by 2042
Trucks20%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 146 SB Ml over Hcfcd Drain & UPRR built?

It was built in 1998, making it 27 years old in 2025.

What condition is SH 146 SB Ml over Hcfcd Drain & UPRR 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 November 2024.

How much traffic does SH 146 SB Ml over Hcfcd Drain & UPRR carry?

About 42,407 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SH 146 SB Ml over Hcfcd Drain & UPRR?

The structure is 2,928 ft (892.5 m) long with a longest span of 122 ft (37.2 m) and a deck 59 ft wide.

Who owns SH 146 SB Ml over Hcfcd Drain & UPRR?

It is owned by the State Highway Agency.