US Bridges

SH 146 over Fairmont Parkway

Fair

Harris County, Texas · 2.50 MI S of SH 225 · Structure no. 121020038905088

Built
1987
38 years old
Condition
Fair
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
332 ft
3 main spans
Daily traffic
48,875
2020 count
Owner
State
State Highway Agency

About this bridge

SH 146 over Fairmont Parkway is a prestressed concrete box beam or girders - multiple carrying SH 146 over Fairmont Parkway in Harris County, Texas. It was built in 1987, so it is 38 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 48,875 vehicles a day, roughly 8% of them trucks, projected to reach 62,140 by 2033. The structure is 332 ft (101.2 m) long and 102 ft wide.

Location

Open in Google Maps
CarriesSH 146
CrossesFairmont Parkway
Location2.50 MI S of SH 225
RouteState Highway 146
CountyHarris County
StateTexas
Coordinates29.65237, -95.02999
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 48 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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length332 ft (101.2 m)
Longest span119 ft (36.3 m)
Deck width102 ft (31 m)
Roadway width94 ft (28.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,875 (2020)
Projected traffic62,140 by 2033
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 146 over Fairmont Parkway built?

It was built in 1987, making it 38 years old in 2025.

What condition is SH 146 over Fairmont Parkway 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 2022.

How much traffic does SH 146 over Fairmont Parkway carry?

About 48,875 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SH 146 over Fairmont Parkway?

The structure is 332 ft (101.2 m) long with a longest span of 119 ft (36.3 m) and a deck 102 ft wide.

Who owns SH 146 over Fairmont Parkway?

It is owned by the State Highway Agency.