US Bridges

North 18th ST over Kcs&union Pacific R/R

FairPosted for load

Ouachita Parish, Louisiana · 0.6 MI NW of I-20 · Structure no. 053732302920591

Built
2002
23 years old
Condition
Fair
inspected May 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
2,607 ft
2 main spans
Daily traffic
19,250
2000 count
Owner
City
City or Municipal Highway Agency

About this bridge

North 18th ST over Kcs&union Pacific R/R is a steel continuous girder and floorbeam system carrying North 18th ST over Kcs&union Pacific R/R in Ouachita Parish, Louisiana. It was built in 2002, so it is 23 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. Its operating status is: posted for load restriction.

It carries about 19,250 vehicles a day, projected to reach 21,175 by 2020. The structure is 2,607 ft (794.6 m) long and 69 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesNorth 18th ST
CrossesKcs&union Pacific R/R
Location0.6 MI NW of I-20
RouteCity Street 0
CountyOuachita Parish
StateLouisiana
Coordinates32.50283, -92.09873
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19 US tons
Inventory rating14.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+25 approach)
Design loadHS 20
Structure length2,607 ft (794.6 m)
Longest span165 ft (50.3 m)
Deck width69 ft (21 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,250 (2000)
Projected traffic21,175 by 2020
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 North 18th ST over Kcs&union Pacific R/R built?

It was built in 2002, making it 23 years old in 2025.

What condition is North 18th ST over Kcs&union Pacific R/R 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 North 18th ST over Kcs&union Pacific R/R carry?

About 19,250 vehicles per day (2000 count).

How long is North 18th ST over Kcs&union Pacific R/R?

The structure is 2,607 ft (794.6 m) long with a longest span of 165 ft (50.3 m) and a deck 69 ft wide.

Who owns North 18th ST over Kcs&union Pacific R/R?

It is owned by the City or Municipal Highway Agency.