US Bridges

US0165 over Ouachita River @ Columbi

Fair

Caldwell Parish, Louisiana · 0.48 M S of LA 4 · Structure no. 581100150700081

Built
2007
18 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
2,426 ft
20 main spans
Daily traffic
13,633
2021 count
Owner
State
State Highway Agency

About this bridge

US0165 over Ouachita River @ Columbi is a steel stringer/multi-beam or girder carrying US0165 over Ouachita River @ Columbi in Caldwell Parish, Louisiana. It was built in 2007, so it is 18 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 13,633 vehicles a day, roughly 20% of them trucks, projected to reach 14,996 by 2041. The structure is 2,426 ft (739.4 m) long and 82 ft wide. If it were closed, the detour would be 88.9 mi (143 km).

CarriesUS0165
CrossesOuachita River @ Columbi
Location0.48 M S of LA 4
RouteU.S. Route 165
Coordinates32.10701, -92.0766
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans20
Design loadHS 20
Structure length2,426 ft (739.4 m)
Longest span250 ft (76.2 m)
Deck width82 ft (25 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,633 (2021)
Projected traffic14,996 by 2041
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed88.9 mi (143 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US0165 over Ouachita River @ Columbi built?

It was built in 2007, making it 18 years old in 2025.

What condition is US0165 over Ouachita River @ Columbi 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 June 2023.

How much traffic does US0165 over Ouachita River @ Columbi carry?

About 13,633 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is US0165 over Ouachita River @ Columbi?

The structure is 2,426 ft (739.4 m) long with a longest span of 250 ft (76.2 m) and a deck 82 ft wide.

Who owns US0165 over Ouachita River @ Columbi?

It is owned by the State Highway Agency.