US Bridges

SH 36 over Seabourne Creek

Fair

Fort Bend County, Texas · 2.75 MI S of US 59 · Structure no. 120800018801002

Built
1931
94 years old, rebuilt 1960
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
59 ft
7 main spans
Daily traffic
9,296
2016 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Seabourne Creek is a concrete culvert carrying SH 36 over Seabourne Creek in Fort Bend County, Texas. It was built in 1931 and reconstructed in 1960, so it is 94 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 9,296 vehicles a day, roughly 8% of them trucks, projected to reach 8,860 by 2033. The structure is 59 ft (18 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 36
CrossesSeabourne Creek
Location2.75 MI S of US 59
RouteState Highway 36
StateTexas
Coordinates29.49229, -95.80734
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans7
Design loadUnknown
Structure length59 ft (18 m)
Longest span8 ft (2.4 m)
Deck width49 ft (15 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,296 (2016)
Projected traffic8,860 by 2033
Trucks8%
Lanes on structure2
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 SH 36 over Seabourne Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1960.

What condition is SH 36 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 October 2024.

How much traffic does SH 36 over Seabourne Creek carry?

About 9,296 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is SH 36 over Seabourne Creek?

The structure is 59 ft (18 m) long with a longest span of 8 ft (2.4 m) and a deck 49 ft wide.

Who owns SH 36 over Seabourne Creek?

It is owned by the State Highway Agency.