US Bridges

Holly Grove RD over Franklin Branch

Poor

Vernon Parish, Louisiana · 0.25 M. W. of Jct. US 171 · Structure no. 085831138932041

Built
1983
42 years old
Condition
Poor
inspected March 2023
Type
Culvert
Steel
Length
31 ft
5 main spans
Daily traffic
120
1976 count
Owner
County
County Highway Agency

About this bridge

Holly Grove RD over Franklin Branch is a steel culvert carrying Holly Grove RD over Franklin Branch in Vernon Parish, Louisiana. It was built in 1983, so it is 42 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 120 vehicles a day, projected to reach 132 by 1996. The structure is 31 ft (9.4 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHolly Grove RD
CrossesFranklin Branch
Location0.25 M. W. of Jct. US 171
RouteCounty Highway 0
Coordinates31.23, -93.3391
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span5 ft (1.5 m)
Deck width42 ft (12.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (1976)
Projected traffic132 by 1996
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$141,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Holly Grove RD over Franklin Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Holly Grove RD over Franklin Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Holly Grove RD over Franklin Branch carry?

About 120 vehicles per day (1976 count).

How long is Holly Grove RD over Franklin Branch?

The structure is 31 ft (9.4 m) long with a longest span of 5 ft (1.5 m) and a deck 42 ft wide.

Who owns Holly Grove RD over Franklin Branch?

It is owned by the County Highway Agency.