US Bridges

LA0830-3 over Horse Bayou

Good

Morehouse Parish, Louisiana · 1.1 MI N of US 165 · Structure no. 053400000050182

Built
2010
15 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
2,866
2021 count
Owner
State
State Highway Agency

About this bridge

LA0830-3 over Horse Bayou is a concrete culvert carrying LA0830-3 over Horse Bayou in Morehouse Parish, Louisiana. It was built in 2010, so it is 15 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 2,866 vehicles a day, roughly 8% of them trucks, projected to reach 3,152 by 2041. The structure is 34 ft (10.4 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0830-3
CrossesHorse Bayou
Location1.1 MI N of US 165
RouteState Highway 830
Coordinates32.79653, -91.9026
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span8 ft (2.4 m)
Deck width35 ft (10.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,866 (2021)
Projected traffic3,152 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0830-3 over Horse Bayou built?

It was built in 2010, making it 15 years old in 2025.

What condition is LA0830-3 over Horse Bayou 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 December 2024.

How much traffic does LA0830-3 over Horse Bayou carry?

About 2,866 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0830-3 over Horse Bayou?

The structure is 34 ft (10.4 m) long with a longest span of 8 ft (2.4 m) and a deck 35 ft wide.

Who owns LA0830-3 over Horse Bayou?

It is owned by the State Highway Agency.