US Bridges

SH 35 over Drainage Ditch

Fair

Brazoria County, Texas · 0.10 MI NW of FM 528 · Structure no. 120200017802036

Built
1963
62 years old, rebuilt 1992
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
52 ft
4 main spans
Daily traffic
22,086
2023 count
Owner
State
State Highway Agency

About this bridge

SH 35 over Drainage Ditch is a concrete culvert carrying SH 35 over Drainage Ditch in Brazoria County, Texas. It was built in 1963 and reconstructed in 1992, so it is 62 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 22,086 vehicles a day, roughly 6% of them trucks, projected to reach 21,140 by 2033. The structure is 52 ft (15.8 m) long and 382 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 35
CrossesDrainage Ditch
Location0.10 MI NW of FM 528
RouteState Highway 35
CountyBrazoria County
StateTexas
Coordinates29.44917, -95.23963
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span11 ft (3.4 m)
Deck width382 ft (116.4 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,086 (2023)
Projected traffic21,140 by 2033
Trucks6%
Lanes on structure4
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 SH 35 over Drainage Ditch built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1992.

What condition is SH 35 over Drainage Ditch 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 SH 35 over Drainage Ditch carry?

About 22,086 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SH 35 over Drainage Ditch?

The structure is 52 ft (15.8 m) long with a longest span of 11 ft (3.4 m) and a deck 382 ft wide.

Who owns SH 35 over Drainage Ditch?

It is owned by the State Highway Agency.