US Bridges

Raspberry Brg RD over Mound Bayou

Good

Franklin Parish, Louisiana · 0.609 MI North of LA 869 · Structure no. 582100000580074

Built
2012
13 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
125
2011 count
Owner
County
County Highway Agency

About this bridge

Raspberry Brg RD over Mound Bayou is a concrete culvert carrying Raspberry Brg RD over Mound Bayou in Franklin Parish, Louisiana. It was built in 2012, so it is 13 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 125 vehicles a day, projected to reach 137 by 2031. The structure is 24 ft (7.3 m) long and 41 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesRaspberry Brg RD
CrossesMound Bayou
Location0.609 MI North of LA 869
RouteCounty Highway 0
Coordinates32.21724, -91.80059
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span8 ft (2.4 m)
Deck width41 ft (12.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2011)
Projected traffic137 by 2031
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Raspberry Brg RD over Mound Bayou built?

It was built in 2012, making it 13 years old in 2025.

What condition is Raspberry Brg RD over Mound 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 June 2024.

How much traffic does Raspberry Brg RD over Mound Bayou carry?

About 125 vehicles per day (2011 count).

How long is Raspberry Brg RD over Mound Bayou?

The structure is 24 ft (7.3 m) long with a longest span of 8 ft (2.4 m) and a deck 41 ft wide.

Who owns Raspberry Brg RD over Mound Bayou?

It is owned by the County Highway Agency.