US Bridges

US0167 over Middle Slough

Good

Union Parish, Louisiana · 1.73 Mi. South of LA 15 · Structure no. 055600000050231

Built
2012
13 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
217 ft
11 main spans
Daily traffic
422
2021 count
Owner
State
State Highway Agency

About this bridge

US0167 over Middle Slough is a concrete slab carrying US0167 over Middle Slough in Union Parish, Louisiana. It was built in 2012, so it is 13 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 422 vehicles a day, roughly 16% of them trucks, projected to reach 464 by 2041. The structure is 217 ft (66.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0167
CrossesMiddle Slough
Location1.73 Mi. South of LA 15
RouteU.S. Route 167
Coordinates32.89528, -92.6582
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic422 (2021)
Projected traffic464 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0167 over Middle Slough built?

It was built in 2012, making it 13 years old in 2025.

What condition is US0167 over Middle Slough 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 January 2024.

How much traffic does US0167 over Middle Slough carry?

About 422 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is US0167 over Middle Slough?

The structure is 217 ft (66.1 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns US0167 over Middle Slough?

It is owned by the State Highway Agency.