US Bridges

CR 46 over Flores Bayou

GoodPosted for load

Brazoria County, Texas · 0.60 MI N of SH 35 · Structure no. 120200AA0952001

Built
1965
60 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
56 ft
2 main spans
Daily traffic
520
2011 count
Owner
County
County Highway Agency

About this bridge

CR 46 over Flores Bayou is a concrete slab carrying CR 46 over Flores Bayou in Brazoria County, Texas. It was built in 1965, so it is 60 years old, older 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. Its operating status is: posted for load restriction.

It carries about 520 vehicles a day, roughly 1% of them trucks, projected to reach 1,100 by 2031. The structure is 56 ft (17.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 46
CrossesFlores Bayou
Location0.60 MI N of SH 35
RouteCounty Highway 46
CountyBrazoria County
StateTexas
Coordinates29.24776, -95.37006
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span27 ft (8.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2011)
Projected traffic1,100 by 2031
Trucks1%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 46 over Flores Bayou built?

It was built in 1965, making it 60 years old in 2025.

What condition is CR 46 over Flores 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 December 2023.

How much traffic does CR 46 over Flores Bayou carry?

About 520 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is CR 46 over Flores Bayou?

The structure is 56 ft (17.1 m) long with a longest span of 27 ft (8.2 m) and a deck 28 ft wide.

Who owns CR 46 over Flores Bayou?

It is owned by the County Highway Agency.