US Bridges

Comrade RD over Allen Branch

Good

Vernon Parish, Louisiana · 1.56 M. E. of LA 465 · Structure no. 085831199930181

Built
1992
33 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
250
1991 count
Owner
County
County Highway Agency

About this bridge

Comrade RD over Allen Branch is a concrete slab carrying Comrade RD over Allen Branch in Vernon Parish, Louisiana. It was built in 1992, so it is 33 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 250 vehicles a day, projected to reach 275 by 2011. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesComrade RD
CrossesAllen Branch
Location1.56 M. E. of LA 465
RouteCounty Highway 0
CountyVernon Parish
StateLouisiana
Coordinates31.33189, -93.0301
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (1991)
Projected traffic275 by 2011
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Comrade RD over Allen Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Comrade RD over Allen 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 April 2023.

How much traffic does Comrade RD over Allen Branch carry?

About 250 vehicles per day (1991 count).

How long is Comrade RD over Allen Branch?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Comrade RD over Allen Branch?

It is owned by the County Highway Agency.