US Bridges

CR 147 over Mustang Bayou

Good

Brazoria County, Texas · 0.50 MI NE of SH 6 · Structure no. 120200AA0711001

Built
2006
19 years old
Condition
Good
inspected October 2023
Type
Other
Prestressed Concrete
Length
80 ft
3 main spans
Daily traffic
220
2011 count
Owner
County
County Highway Agency

About this bridge

CR 147 over Mustang Bayou is a prestressed concrete other carrying CR 147 over Mustang Bayou in Brazoria County, Texas. It was built in 2006, so it is 19 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 220 vehicles a day, projected to reach 250 by 2031. The structure is 80 ft (24.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 147
CrossesMustang Bayou
Location0.50 MI NE of SH 6
RouteCounty Highway 147
CountyBrazoria County
StateTexas
Coordinates29.44894, -95.27955
Functional classRural Local

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans3
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2011)
Projected traffic250 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 147 over Mustang Bayou built?

It was built in 2006, making it 19 years old in 2025.

What condition is CR 147 over Mustang Bayou 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 October 2023.

How much traffic does CR 147 over Mustang Bayou carry?

About 220 vehicles per day (2011 count).

How long is CR 147 over Mustang Bayou?

The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns CR 147 over Mustang Bayou?

It is owned by the County Highway Agency.