US Bridges

US 90A EB over Drainage Ditch

Good

Fort Bend County, Texas · 1.5 MI W of SH 99 · Structure no. 120800002708053

Built
1943
82 years old, rebuilt 1997
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
7,270
2013 count
Owner
State
State Highway Agency

About this bridge

US 90A EB over Drainage Ditch is a concrete culvert carrying US 90A EB over Drainage Ditch in Fort Bend County, Texas. It was built in 1943 and reconstructed in 1997, so it is 82 years old, older 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 7,270 vehicles a day, roughly 4% of them trucks, projected to reach 10,180 by 2033. The structure is 27 ft (8.2 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 90A EB
CrossesDrainage Ditch
Location1.5 MI W of SH 99
RouteU.S. Route 90
StateTexas
Coordinates29.59913, -95.7086
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 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width89 ft (27.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,270 (2013)
Projected traffic10,180 by 2033
Trucks4%
Lanes on structure2
Traffic directionOne-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90A EB over Drainage Ditch built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1997.

What condition is US 90A EB 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 US 90A EB over Drainage Ditch carry?

About 7,270 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is US 90A EB over Drainage Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m) and a deck 89 ft wide.

Who owns US 90A EB over Drainage Ditch?

It is owned by the State Highway Agency.