US Bridges

Fdr 610 over Little Bear CR

Fair

Grant Parish, Louisiana · Log 2.62 FR 657 to · Structure no. 080604000002487

Built
1962
63 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
53 ft
3 main spans
Daily traffic
28
1979 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 610 over Little Bear CR is a concrete channel beam carrying Fdr 610 over Little Bear CR in Grant Parish, Louisiana. It was built in 1962, so it is 63 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 6 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 28 vehicles a day, projected to reach 42 by 2045. The structure is 53 ft (16.2 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFdr 610
CrossesLittle Bear CR
LocationLog 2.62 FR 657 to
RouteFederal Lands Road 610.3
Coordinates31.79279, -92.49336
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating16.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans3
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span18 ft (5.5 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (1979)
Projected traffic42 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Fdr 610 over Little Bear CR built?

It was built in 1962, making it 63 years old in 2025.

What condition is Fdr 610 over Little Bear CR 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 October 2024.

How much traffic does Fdr 610 over Little Bear CR carry?

About 28 vehicles per day (1979 count).

How long is Fdr 610 over Little Bear CR?

The structure is 53 ft (16.2 m) long with a longest span of 18 ft (5.5 m) and a deck 17 ft wide.

Who owns Fdr 610 over Little Bear CR?

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