US Bridges

S. Byrd over Yellow Branch

Good

Washington Parish, Louisiana · 3.0 M E of LA 1075 · Structure no. 625930449895191

Built
1989
36 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
917
2022 count
Owner
County
County Highway Agency

About this bridge

S. Byrd over Yellow Branch is a concrete slab carrying S. Byrd over Yellow Branch in Washington Parish, Louisiana. It was built in 1989, so it is 36 years old, younger than the Louisiana average of 43 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 917 vehicles a day, projected to reach 1,008 by 2042. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesS. Byrd
CrossesYellow Branch
Location3.0 M E of LA 1075
RouteCounty Highway 0
Coordinates30.74784, -89.86603
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic917 (2022)
Projected traffic1,008 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S. Byrd over Yellow Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is S. Byrd over Yellow Branch 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 S. Byrd over Yellow Branch carry?

About 917 vehicles per day (2022 count).

How long is S. Byrd over Yellow Branch?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns S. Byrd over Yellow Branch?

It is owned by the County Highway Agency.