US Bridges

CR 172 over Drainage Ditch

Good

Brazoria County, Texas · 0.40 MI SW of FM 1462 · Structure no. 120200D00787004

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Other
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
835
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

CR 172 over Drainage Ditch is a prestressed concrete other carrying CR 172 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 835 vehicles a day, projected to reach 1,123 by 2031. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 172
CrossesDrainage Ditch
Location0.40 MI SW of FM 1462
RouteCounty Highway 0
CountyBrazoria County
StateTexas
Coordinates29.39449, -95.267
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionNovember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic835 (2011)
Projected traffic1,123 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 172 over Drainage Ditch built?

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

What condition is CR 172 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 2023.

How much traffic does CR 172 over Drainage Ditch carry?

About 835 vehicles per day (2011 count).

How long is CR 172 over Drainage Ditch?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns CR 172 over Drainage Ditch?

It is owned by the Town or Township Highway Agency.