US Bridges

FM 529 Spencer RD over Hcfcd Drainage Ditch

Good

Harris County, Texas · 1.4 MI W of SH 6 · Structure no. 121020100601010

Built
2001
24 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
40,970
2020 count
Owner
State
State Highway Agency

About this bridge

FM 529 Spencer RD over Hcfcd Drainage Ditch is a concrete culvert carrying FM 529 Spencer RD over Hcfcd Drainage Ditch in Harris County, Texas. It was built in 2001, so it is 24 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 40,970 vehicles a day, roughly 7% of them trucks, projected to reach 38,000 by 2032. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM 529 Spencer RD
CrossesHcfcd Drainage Ditch
Location1.4 MI W of SH 6
RouteState Highway 529
CountyHarris County
StateTexas
Coordinates29.87901, -95.66856
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than 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

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,970 (2020)
Projected traffic38,000 by 2032
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 FM 529 Spencer RD over Hcfcd Drainage Ditch built?

It was built in 2001, making it 24 years old in 2025.

What condition is FM 529 Spencer RD over Hcfcd Drainage Ditch 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 2024.

How much traffic does FM 529 Spencer RD over Hcfcd Drainage Ditch carry?

About 40,970 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FM 529 Spencer RD over Hcfcd Drainage Ditch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns FM 529 Spencer RD over Hcfcd Drainage Ditch?

It is owned by the State Highway Agency.