US Bridges

US0171 over Hickory Branch

Fair

Beauregard Parish, Louisiana · .9 Mi. N of Int US190 · Structure no. 070600240504631

Built
1975
50 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
36,105
2021 count
Owner
State
State Highway Agency

About this bridge

US0171 over Hickory Branch is a concrete slab carrying US0171 over Hickory Branch in Beauregard Parish, Louisiana. It was built in 1975, so it is 50 years old, older 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 36,105 vehicles a day, roughly 17% of them trucks, projected to reach 39,715 by 2041. The structure is 100 ft (30.5 m) long and 79 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesUS0171
CrossesHickory Branch
Location.9 Mi. N of Int US190
RouteU.S. Route 171
CountyBeauregard Parish
StateLouisiana
Coordinates30.85918, -93.28844
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width79 ft (24 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,105 (2021)
Projected traffic39,715 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0171 over Hickory Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is US0171 over Hickory 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 September 2024.

How much traffic does US0171 over Hickory Branch carry?

About 36,105 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is US0171 over Hickory Branch?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 79 ft wide.

Who owns US0171 over Hickory Branch?

It is owned by the State Highway Agency.