US Bridges

FM 529 over Horsepen Creek

Fair

Harris County, Texas · 1.2 MI E of SH 6 · Structure no. 121020100601007

Built
1975
50 years old, rebuilt 2000
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
27,840
2013 count
Owner
State
State Highway Agency

About this bridge

FM 529 over Horsepen Creek is a concrete stringer/multi-beam or girder carrying FM 529 over Horsepen Creek in Harris County, Texas. It was built in 1975 and reconstructed in 2000, so it is 50 years old, older 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 27,840 vehicles a day, roughly 5% of them trucks, projected to reach 38,980 by 2033. The structure is 120 ft (36.6 m) long and 105 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM 529
CrossesHorsepen Creek
Location1.2 MI E of SH 6
RouteState Highway 529
CountyHarris County
StateTexas
Coordinates29.87943, -95.62532
Functional classUrban Other Principal Arterial

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width105 ft (32.1 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,840 (2013)
Projected traffic38,980 by 2033
Trucks5%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 529 over Horsepen Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2000.

What condition is FM 529 over Horsepen Creek 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 FM 529 over Horsepen Creek carry?

About 27,840 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is FM 529 over Horsepen Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 105 ft wide.

Who owns FM 529 over Horsepen Creek?

It is owned by the State Highway Agency.