US Bridges

FM 1679 over Chocolate Bayou

Good

Calhoun County, Texas · 0.30 MI SW of US 87 · Structure no. 130290168801007

Built
2008
17 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
66 ft
5 main spans
Daily traffic
306
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1679 over Chocolate Bayou is a concrete culvert carrying FM 1679 over Chocolate Bayou in Calhoun County, Texas. It was built in 2008, so it is 17 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 306 vehicles a day, roughly 32% of them trucks, projected to reach 310 by 2033. The structure is 66 ft (20.1 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 1679
CrossesChocolate Bayou
Location0.30 MI SW of US 87
RouteState Highway 1679
StateTexas
Coordinates28.61355, -96.71418
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length66 ft (20.1 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic306 (2023)
Projected traffic310 by 2033
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 1679 over Chocolate Bayou built?

It was built in 2008, making it 17 years old in 2025.

What condition is FM 1679 over Chocolate 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 2024.

How much traffic does FM 1679 over Chocolate Bayou carry?

About 306 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is FM 1679 over Chocolate Bayou?

The structure is 66 ft (20.1 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns FM 1679 over Chocolate Bayou?

It is owned by the State Highway Agency.