US Bridges

SH 6 over Drainage Ditch

Good

Fort Bend County, Texas · 1.2 MI S of Old Richmond · Structure no. 120800168506078

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
45,662
2016 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 2002, so it is 23 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 45,662 vehicles a day, roughly 5% of them trucks, projected to reach 59,260 by 2033. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 6
CrossesDrainage Ditch
Location1.2 MI S of Old Richmond
RouteState Highway 6
StateTexas
Coordinates29.65367, -95.64889
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
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,662 (2016)
Projected traffic59,260 by 2033
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 2002, making it 23 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 45,662 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is SH 6 over Drainage Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns SH 6 over Drainage Ditch?

It is owned by the State Highway Agency.