US Bridges

LA 154 over Morrow Branch

Good

Bienville Parish, Louisiana · 8.0 Mi. E. of LA 157 · Structure no. 040700000040706

Built
2022
3 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
1,559
2021 count
Owner
State
State Highway Agency

About this bridge

LA 154 over Morrow Branch is a concrete slab carrying LA 154 over Morrow Branch in Bienville Parish, Louisiana. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,559 vehicles a day, roughly 19% of them trucks, projected to reach 1,714 by 2041. The structure is 60 ft (18.3 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesLA 154
CrossesMorrow Branch
Location8.0 Mi. E. of LA 157
RouteState Highway 154
Coordinates32.3082, -93.3958
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating61.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadGreater than HL 93
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,559 (2021)
Projected traffic1,714 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 LA 154 over Morrow Branch built?

It was built in 2022, making it 3 years old in 2025.

What condition is LA 154 over Morrow 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 January 2025.

How much traffic does LA 154 over Morrow Branch carry?

About 1,559 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA 154 over Morrow Branch?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns LA 154 over Morrow Branch?

It is owned by the State Highway Agency.