US Bridges

Lp 529 over Seabourne Creek

Fair

Fort Bend County, Texas · 1.30 MI NE of US 59 · Structure no. 120800008909053

Built
1929
96 years old, rebuilt 2002
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
37 ft
8 main spans
Daily traffic
1,504
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 529 over Seabourne Creek is a concrete culvert carrying Lp 529 over Seabourne Creek in Fort Bend County, Texas. It was built in 1929 and reconstructed in 2002, so it is 96 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 1,504 vehicles a day, roughly 15% of them trucks, projected to reach 5,965 by 2038. The structure is 37 ft (11.3 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLp 529
CrossesSeabourne Creek
Location1.30 MI NE of US 59
RouteState Highway 529
CountyFort Bend County
StateTexas
Coordinates29.54529, -95.84035
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span4 ft (1.2 m)
Deck width59 ft (18.1 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,504 (2020)
Projected traffic5,965 by 2038
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Lp 529 over Seabourne Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 2002.

What condition is Lp 529 over Seabourne 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 Lp 529 over Seabourne Creek carry?

About 1,504 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Lp 529 over Seabourne Creek?

The structure is 37 ft (11.3 m) long with a longest span of 4 ft (1.2 m) and a deck 59 ft wide.

Who owns Lp 529 over Seabourne Creek?

It is owned by the State Highway Agency.