US Bridges

FM 529 over Langham Creek

Good

Harris County, Texas · 2.5 MI W of SH 6 · Structure no. 121020100601011

Built
2005
20 years old
Condition
Good
inspected September 2024
Type
Other
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
36,822
2024 count
Owner
State
State Highway Agency

About this bridge

FM 529 over Langham Creek is a prestressed concrete other carrying FM 529 over Langham Creek in Harris County, Texas. It was built in 2005, so it is 20 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 36,822 vehicles a day, roughly 6% of them trucks, projected to reach 62,690 by 2032. The structure is 120 ft (36.6 m) long and 89 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM 529
CrossesLangham Creek
Location2.5 MI W of SH 6
RouteState Highway 529
CountyHarris County
StateTexas
Coordinates29.87995, -95.68661
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width89 ft (27.1 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,822 (2024)
Projected traffic62,690 by 2032
Trucks6%
Lanes on structure5
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 over Langham Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is FM 529 over Langham Creek 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 September 2024.

How much traffic does FM 529 over Langham Creek carry?

About 36,822 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is FM 529 over Langham Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 89 ft wide.

Who owns FM 529 over Langham Creek?

It is owned by the State Highway Agency.