US Bridges

LA0121 over Clear Runner Branch

Good

Vernon Parish, Louisiana · 4.1 MI S of LA 28 · Structure no. 085800000080658

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
1,932
2021 count
Owner
State
State Highway Agency

About this bridge

LA0121 over Clear Runner Branch is a concrete slab carrying LA0121 over Clear Runner Branch in Vernon Parish, Louisiana. It was built in 2016, so it is 9 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,932 vehicles a day, roughly 14% of them trucks, projected to reach 2,125 by 2041. The structure is 80 ft (24.4 m) long and 39 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesLA0121
CrossesClear Runner Branch
Location4.1 MI S of LA 28
RouteState Highway 121
Coordinates31.18139, -92.98842
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,932 (2021)
Projected traffic2,125 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 LA0121 over Clear Runner Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is LA0121 over Clear Runner Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does LA0121 over Clear Runner Branch carry?

About 1,932 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0121 over Clear Runner Branch?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 39 ft wide.

Who owns LA0121 over Clear Runner Branch?

It is owned by the State Highway Agency.