US Bridges

Fdr 354 over Hyatt Branch

Poor

Natchitoches Parish, Louisiana · No Data Entered · Structure no. 080603000002317

Built
1970
55 years old
Condition
Poor
inspected January 2023
Type
Channel Beam
Prestressed Concrete
Length
42 ft
2 main spans
Daily traffic
30
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 354 over Hyatt Branch is a prestressed concrete channel beam carrying Fdr 354 over Hyatt Branch in Natchitoches Parish, Louisiana. It was built in 1970, so it is 55 years old, older 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 30 vehicles a day, projected to reach 45 by 2045. The structure is 42 ft (12.8 m) long and 25 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesFdr 354
CrossesHyatt Branch
LocationNo Data Entered
RouteFederal Lands Road 354.1
Coordinates31.43276, -93.17606
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating27.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (—)
Projected traffic45 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 Fdr 354 over Hyatt Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Fdr 354 over Hyatt 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 January 2023.

How much traffic does Fdr 354 over Hyatt Branch carry?

About 30 vehicles per day (latest count).

How long is Fdr 354 over Hyatt Branch?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns Fdr 354 over Hyatt Branch?

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