US Bridges

SH 35 over Drainage Ditch

Fair

Brazoria County, Texas · 1.20 MI NE of FM 523 · Structure no. 120200017803027

Built
1936
89 years old, rebuilt 1959
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
39 ft
6 main spans
Daily traffic
11,070
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 1936 and reconstructed in 1959, so it is 89 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 11,070 vehicles a day, roughly 7% of them trucks, projected to reach 10,130 by 2033. The structure is 39 ft (11.9 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSH 35
CrossesDrainage Ditch
Location1.20 MI NE of FM 523
RouteState Highway 35
CountyBrazoria County
StateTexas
Coordinates29.21751, -95.38347
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span6 ft (1.8 m)
Deck width46 ft (14 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,070 (2023)
Projected traffic10,130 by 2033
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

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 1936, making it 89 years old in 2025. It was reconstructed in 1959.

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 November 2024.

How much traffic does SH 35 over Drainage Ditch carry?

About 11,070 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SH 35 over Drainage Ditch?

The structure is 39 ft (11.9 m) long with a longest span of 6 ft (1.8 m) and a deck 46 ft wide.

Who owns SH 35 over Drainage Ditch?

It is owned by the State Highway Agency.