US Bridges

506 over Cypress Cr. Trib.

Good

Winn Parish, Louisiana · No Data Entered · Structure no. 080604000003112

Built
2003
22 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
31 ft
3 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

506 over Cypress Cr. Trib. is a steel culvert carrying 506 over Cypress Cr. Trib. in Winn Parish, Louisiana. It was built in 2003, so it is 22 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
Carries506
CrossesCypress Cr. Trib.
LocationNo Data Entered
RouteFederal Lands Road 506
CountyWinn Parish
StateLouisiana
Coordinates32.10822, -92.85805
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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 506 over Cypress Cr. Trib. built?

It was built in 2003, making it 22 years old in 2025.

What condition is 506 over Cypress Cr. Trib. 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 November 2023.

How much traffic does 506 over Cypress Cr. Trib. carry?

About 50 vehicles per day (latest count).

How long is 506 over Cypress Cr. Trib.?

The structure is 31 ft (9.4 m) long with a longest span of 7 ft (2.1 m).

Who owns 506 over Cypress Cr. Trib.?

It is owned by the U.S. Forest Service.