US Bridges

US0061 over Relief Bridge US 61

Fair

West Feliciana Parish, Louisiana · US 61 West Feliciana · Structure no. 616300190400372

Built
1987
38 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
280 ft
12 main spans
Daily traffic
10,202
2021 count
Owner
State
State Highway Agency

About this bridge

US0061 over Relief Bridge US 61 is a concrete slab carrying US0061 over Relief Bridge US 61 in West Feliciana Parish, Louisiana. It was built in 1987, so it is 38 years old, younger 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.

It carries about 10,202 vehicles a day, roughly 17% of them trucks, projected to reach 11,222 by 2041. The structure is 280 ft (85.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0061
CrossesRelief Bridge US 61
LocationUS 61 West Feliciana
RouteU.S. Route 61
Coordinates30.74817, -91.29006
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,202 (2021)
Projected traffic11,222 by 2041
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0061 over Relief Bridge US 61 built?

It was built in 1987, making it 38 years old in 2025.

What condition is US0061 over Relief Bridge US 61 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 February 2024.

How much traffic does US0061 over Relief Bridge US 61 carry?

About 10,202 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is US0061 over Relief Bridge US 61?

The structure is 280 ft (85.3 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0061 over Relief Bridge US 61?

It is owned by the State Highway Agency.