US Bridges

CR 36 over Drainage Ditch

Fair

Brazoria County, Texas · 3.35 MI W of FM 521 · Structure no. 120200AA0113001

Built
1993
32 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
30 ft
3 main spans
Daily traffic
460
2017 count
Owner
County
County Highway Agency

About this bridge

CR 36 over Drainage Ditch is a steel culvert carrying CR 36 over Drainage Ditch in Brazoria County, Texas. It was built in 1993, so it is 32 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 460 vehicles a day, projected to reach 570 by 2037. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCR 36
CrossesDrainage Ditch
Location3.35 MI W of FM 521
RouteCounty Highway 36
CountyBrazoria County
StateTexas
Coordinates29.27528, -95.51102
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length30 ft (9.1 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 traffic460 (2017)
Projected traffic570 by 2037
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 36 over Drainage Ditch built?

It was built in 1993, making it 32 years old in 2025.

What condition is CR 36 over Drainage Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does CR 36 over Drainage Ditch carry?

About 460 vehicles per day (2017 count).

How long is CR 36 over Drainage Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m).

Who owns CR 36 over Drainage Ditch?

It is owned by the County Highway Agency.