US Bridges

LA0111 over Unnamed Branch

Fair

Vernon Parish, Louisiana · 6.61 MI East JCT US 171 · Structure no. 085801330306611

Built
1997
28 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
28 ft
3 main spans
Daily traffic
937
2021 count
Owner
State
State Highway Agency

About this bridge

LA0111 over Unnamed Branch is a steel culvert carrying LA0111 over Unnamed Branch in Vernon Parish, Louisiana. It was built in 1997, so it is 28 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 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 937 vehicles a day, roughly 14% of them trucks, projected to reach 1,030 by 2041. The structure is 28 ft (8.5 m) long and 93 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesLA0111
CrossesUnnamed Branch
Location6.61 MI East JCT US 171
RouteState Highway 111
CountyVernon Parish
StateLouisiana
Coordinates31.23013, -93.25
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span7 ft (2.1 m)
Deck width93 ft (28.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic937 (2021)
Projected traffic1,030 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

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 LA0111 over Unnamed Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is LA0111 over Unnamed Branch 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 January 2024.

How much traffic does LA0111 over Unnamed Branch carry?

About 937 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0111 over Unnamed Branch?

The structure is 28 ft (8.5 m) long with a longest span of 7 ft (2.1 m) and a deck 93 ft wide.

Who owns LA0111 over Unnamed Branch?

It is owned by the State Highway Agency.