US Bridges

US0171 over Bayou Grand Cane

Fair

De Soto Parish, Louisiana · 3.2 Mi. N. of 3015 · Structure no. 041600000017250

Built
1932
93 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
29 ft
5 main spans
Daily traffic
6,256
2021 count
Owner
State
State Highway Agency

About this bridge

US0171 over Bayou Grand Cane is a concrete culvert carrying US0171 over Bayou Grand Cane in De Soto Parish, Louisiana. It was built in 1932, so it is 93 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 6,256 vehicles a day, roughly 18% of them trucks, projected to reach 6,881 by 2041. The structure is 29 ft (8.8 m) long and 168 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUS0171
CrossesBayou Grand Cane
Location3.2 Mi. N. of 3015
RouteU.S. Route 171
CountyDe Soto Parish
StateLouisiana
Coordinates32.1269, -93.82952
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length29 ft (8.8 m)
Longest span5 ft (1.5 m)
Deck width168 ft (51.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,256 (2021)
Projected traffic6,881 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Bayou Grand Cane built?

It was built in 1932, making it 93 years old in 2025.

What condition is US0171 over Bayou Grand Cane 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 May 2024.

How much traffic does US0171 over Bayou Grand Cane carry?

About 6,256 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is US0171 over Bayou Grand Cane?

The structure is 29 ft (8.8 m) long with a longest span of 5 ft (1.5 m) and a deck 168 ft wide.

Who owns US0171 over Bayou Grand Cane?

It is owned by the State Highway Agency.