US Bridges

Fdr 831 over Cypress Creek

FairPosted for load

Webster Parish, Louisiana · 1.6 Mi. East La. 159 · Structure no. 080608000002802

Built
1972
53 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
46 ft
3 main spans
Daily traffic
30
1996 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 831 over Cypress Creek is a wood or timber stringer/multi-beam or girder carrying Fdr 831 over Cypress Creek in Webster Parish, Louisiana. It was built in 1972, so it is 53 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 45 by 2045. The structure is 46 ft (14 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFdr 831
CrossesCypress Creek
Location1.6 Mi. East La. 159
RouteFederal Lands Road 831.1
Coordinates32.72633, -93.24653
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length46 ft (14 m)
Longest span15 ft (4.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1996)
Projected traffic45 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Fdr 831 over Cypress Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Fdr 831 over Cypress Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Fdr 831 over Cypress Creek carry?

About 30 vehicles per day (1996 count).

How long is Fdr 831 over Cypress Creek?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns Fdr 831 over Cypress Creek?

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