US Bridges

SH 36 over Drainage Ditch

Good

Fort Bend County, Texas · 0.40 MI W of FM 1489 · Structure no. 120800018705033

Built
1990
35 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
4,320
2018 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Drainage Ditch is a concrete culvert carrying SH 36 over Drainage Ditch in Fort Bend County, Texas. It was built in 1990, so it is 35 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 4,320 vehicles a day, roughly 21% of them trucks, projected to reach 5,390 by 2033. The structure is 34 ft (10.4 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSH 36
CrossesDrainage Ditch
Location0.40 MI W of FM 1489
RouteState Highway 36
CountyFort Bend County
StateTexas
Coordinates29.60581, -95.98426
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span9 ft (2.7 m)
Deck width52 ft (15.8 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,320 (2018)
Projected traffic5,390 by 2033
Trucks21%
Lanes on structure2
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 36 over Drainage Ditch built?

It was built in 1990, making it 35 years old in 2025.

What condition is SH 36 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 November 2024.

How much traffic does SH 36 over Drainage Ditch carry?

About 4,320 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is SH 36 over Drainage Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 9 ft (2.7 m) and a deck 52 ft wide.

Who owns SH 36 over Drainage Ditch?

It is owned by the State Highway Agency.