US Bridges

US0171 over Trenton Rd. RR

Good

De Soto Parish, Louisiana · 6.1 Mi. N.Of LA 512 · Structure no. 041600000040254

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
762 ft
10 main spans
Daily traffic
5,659
2021 count
Owner
State
State Highway Agency

About this bridge

US0171 over Trenton Rd. RR is a prestressed concrete stringer/multi-beam or girder carrying US0171 over Trenton Rd. RR in De Soto Parish, Louisiana. It was built in 2009, so it is 16 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 5,659 vehicles a day, roughly 18% of them trucks, projected to reach 6,224 by 2041. The structure is 762 ft (232.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0171
CrossesTrenton Rd. RR
Location6.1 Mi. N.Of LA 512
RouteU.S. Route 171
CountyDe Soto Parish
StateLouisiana
Coordinates31.949, -93.71915
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length762 ft (232.3 m)
Longest span110 ft (33.5 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,659 (2021)
Projected traffic6,224 by 2041
Trucks18%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US0171 over Trenton Rd. RR built?

It was built in 2009, making it 16 years old in 2025.

What condition is US0171 over Trenton Rd. RR 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 June 2023.

How much traffic does US0171 over Trenton Rd. RR carry?

About 5,659 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is US0171 over Trenton Rd. RR?

The structure is 762 ft (232.3 m) long with a longest span of 110 ft (33.5 m) and a deck 42 ft wide.

Who owns US0171 over Trenton Rd. RR?

It is owned by the State Highway Agency.