US Bridges

SH 6 over Drainage Ditch

Good

Fort Bend County, Texas · 0.9 MI SE of US 90A · Structure no. 120800019201052

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
164 ft
13 main spans
Daily traffic
48,424
2020 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 Fort Bend County, Texas. It was built in 1986, so it is 39 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 48,424 vehicles a day, roughly 4% of them trucks, projected to reach 71,310 by 2033. The structure is 164 ft (50 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 6
CrossesDrainage Ditch
Location0.9 MI SE of US 90A
RouteState Highway 6
StateTexas
Coordinates29.60638, -95.639
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans13
Design loadUnknown
Structure length164 ft (50 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,424 (2020)
Projected traffic71,310 by 2033
Trucks4%
Lanes on structure7
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 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 1986, making it 39 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 October 2024.

How much traffic does SH 6 over Drainage Ditch carry?

About 48,424 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is SH 6 over Drainage Ditch?

The structure is 164 ft (50 m) long with a longest span of 9 ft (2.7 m).

Who owns SH 6 over Drainage Ditch?

It is owned by the State Highway Agency.