US Bridges

US0171 over Creek

Good

Vernon Parish, Louisiana · .55 MI South of LA 3226 · Structure no. 085800240600691

Built
1930
95 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
28 ft
5 main spans
Daily traffic
14,420
2021 count
Owner
State
State Highway Agency

About this bridge

US0171 over Creek is a concrete culvert carrying US0171 over Creek in Vernon Parish, Louisiana. It was built in 1930, so it is 95 years old, older 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 14,420 vehicles a day, roughly 14% of them trucks, projected to reach 15,862 by 2041. The structure is 28 ft (8.5 m) long and 188 ft wide.

CarriesUS0171
CrossesCreek
Location.55 MI South of LA 3226
RouteU.S. Route 171
Coordinates30.89301, -93.2862
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable 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 length28 ft (8.5 m)
Longest span5 ft (1.5 m)
Deck width188 ft (57.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,420 (2021)
Projected traffic15,862 by 2041
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$186,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0171 over Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is US0171 over Creek 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 February 2024.

How much traffic does US0171 over Creek carry?

About 14,420 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US0171 over Creek?

The structure is 28 ft (8.5 m) long with a longest span of 5 ft (1.5 m) and a deck 188 ft wide.

Who owns US0171 over Creek?

It is owned by the State Highway Agency.