US Bridges

US 90A over Drainage Ditch

Good

Fort Bend County, Texas · 0.15 MI E of SH 6 · Structure no. 120800002708018

Built
2007
18 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
40 ft
6 main spans
Daily traffic
21,340
2013 count
Owner
State
State Highway Agency

About this bridge

US 90A over Drainage Ditch is a concrete culvert carrying US 90A over Drainage Ditch in Fort Bend County, Texas. It was built in 2007, so it is 18 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 21,340 vehicles a day, roughly 3% of them trucks, projected to reach 29,880 by 2033. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 90A
CrossesDrainage Ditch
Location0.15 MI E of SH 6
RouteU.S. Route 90
StateTexas
Coordinates29.61483, -95.64663
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum 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
DeckNot applicable
Main spans6
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,340 (2013)
Projected traffic29,880 by 2033
Trucks3%
Lanes on structure9
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 US 90A over Drainage Ditch built?

It was built in 2007, making it 18 years old in 2025.

What condition is US 90A 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 December 2024.

How much traffic does US 90A over Drainage Ditch carry?

About 21,340 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is US 90A over Drainage Ditch?

The structure is 40 ft (12.2 m) long with a longest span of 5 ft (1.5 m).

Who owns US 90A over Drainage Ditch?

It is owned by the State Highway Agency.