US Bridges

CR 143 over Drainage Ditch

Good

Brazoria County, Texas · 0.50 MI N of CR 128 · Structure no. 120200AA0690007

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
49 ft
3 main spans
Daily traffic
5,454
2020 count
Owner
County
County Highway Agency

About this bridge

CR 143 over Drainage Ditch is a concrete culvert carrying CR 143 over Drainage Ditch in Brazoria County, Texas. It was built in 2011, so it is 14 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 5,454 vehicles a day, projected to reach 6,000 by 2031. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 143
CrossesDrainage Ditch
Location0.50 MI N of CR 128
RouteCounty Highway 143
CountyBrazoria County
StateTexas
Coordinates29.50911, -95.28879
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 spans3
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,454 (2020)
Projected traffic6,000 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 143 over Drainage Ditch built?

It was built in 2011, making it 14 years old in 2025.

What condition is CR 143 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 September 2023.

How much traffic does CR 143 over Drainage Ditch carry?

About 5,454 vehicles per day (2020 count).

How long is CR 143 over Drainage Ditch?

The structure is 49 ft (14.9 m) long with a longest span of 12 ft (3.7 m).

Who owns CR 143 over Drainage Ditch?

It is owned by the County Highway Agency.