US Bridges

SH 6 over Drainage Ditch

Good

Brazoria County, Texas · 1.26 MI E of SH 288 · Structure no. 120200019202048

Built
1995
30 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
35,648
2023 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Drainage Ditch is a concrete culvert carrying SH 6 over Drainage Ditch in Brazoria County, Texas. It was built in 1995, so it is 30 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 35,648 vehicles a day, roughly 4% of them trucks, projected to reach 35,260 by 2033. The structure is 27 ft (8.3 m) long and 148 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 6
CrossesDrainage Ditch
Location1.26 MI E of SH 288
RouteState Highway 6
StateTexas
Coordinates29.47598, -95.38193
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length27 ft (8.3 m)
Longest span7 ft (2.2 m)
Deck width148 ft (45.1 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,648 (2023)
Projected traffic35,260 by 2033
Trucks4%
Lanes on structure6
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 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 6 over Drainage Ditch built?

It was built in 1995, making it 30 years old in 2025.

What condition is SH 6 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 6 over Drainage Ditch carry?

About 35,648 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SH 6 over Drainage Ditch?

The structure is 27 ft (8.3 m) long with a longest span of 7 ft (2.2 m) and a deck 148 ft wide.

Who owns SH 6 over Drainage Ditch?

It is owned by the State Highway Agency.