US Bridges

US0171 over MP RR & US 190

Fair

Beauregard Parish, Louisiana · 6.5 MI S of LA 110 · Structure no. 070600240307172

Built
2007
18 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,200 ft
17 main spans
Daily traffic
5,963
2023 count
Owner
State
State Highway Agency

About this bridge

US0171 over MP RR & US 190 is a prestressed concrete continuous stringer/multi-beam or girder carrying US0171 over MP RR & US 190 in Beauregard Parish, Louisiana. It was built in 2007, so it is 18 years old, younger 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 5,963 vehicles a day, roughly 16% of them trucks, projected to reach 6,559 by 2043. The structure is 1,200 ft (365.8 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0171
CrossesMP RR & US 190
Location6.5 MI S of LA 110
RouteU.S. Route 171
Coordinates30.51124, -93.23275
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20
Structure length1,200 ft (365.8 m)
Longest span90 ft (27.4 m)
Deck width54 ft (16.6 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,963 (2023)
Projected traffic6,559 by 2043
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US0171 over MP RR & US 190 built?

It was built in 2007, making it 18 years old in 2025.

What condition is US0171 over MP RR & US 190 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 April 2024.

How much traffic does US0171 over MP RR & US 190 carry?

About 5,963 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US0171 over MP RR & US 190?

The structure is 1,200 ft (365.8 m) long with a longest span of 90 ft (27.4 m) and a deck 54 ft wide.

Who owns US0171 over MP RR & US 190?

It is owned by the State Highway Agency.