US Bridges

US0061 over Blind River

Fair

St. James Parish, Louisiana · 3.74 M W of LA 641 · Structure no. 614700070504791

Built
1977
48 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
360 ft
18 main spans
Daily traffic
14,957
2021 count
Owner
State
State Highway Agency

About this bridge

US0061 over Blind River is a concrete slab carrying US0061 over Blind River in St. James Parish, Louisiana. It was built in 1977, so it is 48 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.

It carries about 14,957 vehicles a day, roughly 17% of them trucks, projected to reach 16,452 by 2041. The structure is 360 ft (109.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0061
CrossesBlind River
Location3.74 M W of LA 641
RouteU.S. Route 61
CountySt. James Parish
StateLouisiana
Coordinates30.09994, -90.73501
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length360 ft (109.7 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 traffic14,957 (2021)
Projected traffic16,452 by 2041
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0061 over Blind River built?

It was built in 1977, making it 48 years old in 2025.

What condition is US0061 over Blind River 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 March 2024.

How much traffic does US0061 over Blind River carry?

About 14,957 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is US0061 over Blind River?

The structure is 360 ft (109.7 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0061 over Blind River?

It is owned by the State Highway Agency.