US Bridges

US0167 over Bayou Darbonne

Poor

Lincoln Parish, Louisiana · 1.0 M. N of N Jct. LA 822 · Structure no. 053100000021980

Built
1952
73 years old
Condition
Poor
inspected October 2023
Type
Tee Beam
Concrete
Length
722 ft
18 main spans
Daily traffic
2,487
2021 count
Owner
State
State Highway Agency

About this bridge

US0167 over Bayou Darbonne is a concrete tee beam carrying US0167 over Bayou Darbonne in Lincoln Parish, Louisiana. It was built in 1952, so it is 73 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 2,487 vehicles a day, roughly 16% of them trucks, projected to reach 2,735 by 2041. The structure is 722 ft (220.1 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0167
CrossesBayou Darbonne
Location1.0 M. N of N Jct. LA 822
RouteU.S. Route 167
Coordinates32.68112, -92.6508
Functional classRural Principal Arterial - Other

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length722 ft (220.1 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,487 (2021)
Projected traffic2,735 by 2041
Trucks16%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US0167 over Bayou Darbonne built?

It was built in 1952, making it 73 years old in 2025.

What condition is US0167 over Bayou Darbonne 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 October 2023.

How much traffic does US0167 over Bayou Darbonne carry?

About 2,487 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is US0167 over Bayou Darbonne?

The structure is 722 ft (220.1 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns US0167 over Bayou Darbonne?

It is owned by the State Highway Agency.