US Bridges

NFSR 506 over Cypress Creek

Good

Winn Parish, Louisiana · No Data Entered · Structure no. 080604000003107

Built
2003
22 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
20
2005 count
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 506 over Cypress Creek is a concrete slab carrying NFSR 506 over Cypress Creek 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 20 vehicles a day, projected to reach 30 by 2045. The structure is 120 ft (36.6 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNFSR 506
CrossesCypress Creek
LocationNo Data Entered
RouteFederal Lands Road 506
Coordinates32.11065, -92.85703
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating33.6 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckOther
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2005)
Projected traffic30 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 NFSR 506 over Cypress Creek built?

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

What condition is NFSR 506 over Cypress Creek 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 October 2024.

How much traffic does NFSR 506 over Cypress Creek carry?

About 20 vehicles per day (2005 count).

How long is NFSR 506 over Cypress Creek?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns NFSR 506 over Cypress Creek?

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