US Bridges

LA0159 over KCS RR Minden

PoorPosted for load

Webster Parish, Louisiana · 1.5 MI S of US80 · Structure no. 046000270313242

Built
1935
90 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
1 main span
Daily traffic
6,459
2021 count
Owner
State
State Highway Agency

About this bridge

LA0159 over KCS RR Minden is a steel stringer/multi-beam or girder carrying LA0159 over KCS RR Minden in Webster Parish, Louisiana. It was built in 1935, so it is 90 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 6,459 vehicles a day, roughly 10% of them trucks, projected to reach 7,104 by 2041. The structure is 130 ft (39.6 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0159
CrossesKCS RR Minden
Location1.5 MI S of US80
RouteState Highway 159
CountyWebster Parish
StateLouisiana
Coordinates32.59137, -93.2921
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,459 (2021)
Projected traffic7,104 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$624,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0159 over KCS RR Minden built?

It was built in 1935, making it 90 years old in 2025.

What condition is LA0159 over KCS RR Minden in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does LA0159 over KCS RR Minden carry?

About 6,459 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0159 over KCS RR Minden?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns LA0159 over KCS RR Minden?

It is owned by the State Highway Agency.