US Bridges

SH 36 over Drainage Ditch

Good

Brazoria County, Texas · 8.60 MI E of FM 2004 · Structure no. 120200018806035

Built
1984
41 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
5,414
2023 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Drainage Ditch is a concrete culvert carrying SH 36 over Drainage Ditch in Brazoria County, Texas. It was built in 1984, so it is 41 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,414 vehicles a day, roughly 29% of them trucks, projected to reach 7,030 by 2033. The structure is 43 ft (13.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 36
CrossesDrainage Ditch
Location8.60 MI E of FM 2004
RouteState Highway 36
StateTexas
Coordinates28.95027, -95.3897
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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
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
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.2 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,414 (2023)
Projected traffic7,030 by 2033
Trucks29%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 36 over Drainage Ditch built?

It was built in 1984, making it 41 years old in 2025.

What condition is SH 36 over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does SH 36 over Drainage Ditch carry?

About 5,414 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is SH 36 over Drainage Ditch?

The structure is 43 ft (13.2 m) long with a longest span of 10 ft (3.1 m).

Who owns SH 36 over Drainage Ditch?

It is owned by the State Highway Agency.