US Bridges

N. Lake Rosemound over Bayou

GoodPosted for load

West Feliciana Parish, Louisiana · 3.8 MI NW of U.S. 61 · Structure no. 616300000616304

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
2 main spans
Daily traffic
35
2020 count
Owner
County
County Highway Agency

About this bridge

N. Lake Rosemound over Bayou is a steel stringer/multi-beam or girder carrying N. Lake Rosemound over Bayou in West Feliciana Parish, Louisiana. It was built in 2020, so it is 5 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, projected to reach 38 by 2040. The structure is 51 ft (15.5 m) long and 13 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesN. Lake Rosemound
CrossesBayou
Location3.8 MI NW of U.S. 61
RouteCounty Highway 0
Coordinates30.99586, -91.36753
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating17.5 US tons
Inventory rating13.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span15 ft (4.6 m)
Deck width13 ft (3.9 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2020)
Projected traffic38 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 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 N. Lake Rosemound over Bayou built?

It was built in 2020, making it 5 years old in 2025.

What condition is N. Lake Rosemound over 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 July 2024.

How much traffic does N. Lake Rosemound over Bayou carry?

About 35 vehicles per day (2020 count).

How long is N. Lake Rosemound over Bayou?

The structure is 51 ft (15.5 m) long with a longest span of 15 ft (4.6 m) and a deck 13 ft wide.

Who owns N. Lake Rosemound over Bayou?

It is owned by the County Highway Agency.