US Bridges

CR 128 over Drainage Ditch

Good

Brazoria County, Texas · 2.00 MI W of SH 35 · Structure no. 120200AA0652007

Built
2020
5 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
3,259
2020 count
Owner
County
County Highway Agency

About this bridge

CR 128 over Drainage Ditch is a prestressed concrete slab carrying CR 128 over Drainage Ditch in Brazoria County, Texas. It was built in 2020, so it is 5 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 3,259 vehicles a day, roughly 21% of them trucks, projected to reach 4,563 by 2040. The structure is 45 ft (13.7 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCR 128
CrossesDrainage Ditch
Location2.00 MI W of SH 35
RouteCounty Highway 128
CountyBrazoria County
StateTexas
Coordinates29.50195, -95.28045
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,259 (2020)
Projected traffic4,563 by 2040
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 128 over Drainage Ditch built?

It was built in 2020, making it 5 years old in 2025.

What condition is CR 128 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 August 2023.

How much traffic does CR 128 over Drainage Ditch carry?

About 3,259 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is CR 128 over Drainage Ditch?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns CR 128 over Drainage Ditch?

It is owned by the County Highway Agency.