US Bridges

Common ST over Kansas City Southern RR

Fair

Caddo Parish, Louisiana · 0.1 MI N of I-20 · Structure no. 040932304934491

Built
1956
69 years old, rebuilt 1987
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
692 ft
12 main spans
Daily traffic
15,612
1979 count
Owner
City
City or Municipal Highway Agency

About this bridge

Common ST over Kansas City Southern RR is a steel stringer/multi-beam or girder carrying Common ST over Kansas City Southern RR in Caddo Parish, Louisiana. It was built in 1956 and reconstructed in 1987, so it is 69 years old, older 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 5 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 15,612 vehicles a day, projected to reach 17,173 by 1999. The structure is 692 ft (210.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCommon ST
CrossesKansas City Southern RR
Location0.1 MI N of I-20
RouteCounty Highway 0
CountyCaddo Parish
StateLouisiana
Coordinates32.50626, -93.74815
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans12
Design loadHS 15
Structure length692 ft (210.9 m)
Longest span81 ft (24.7 m)
Deck width52 ft (15.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,612 (1979)
Projected traffic17,173 by 1999
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$3.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Common ST over Kansas City Southern RR built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1987.

What condition is Common ST over Kansas City Southern RR 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 March 2023.

How much traffic does Common ST over Kansas City Southern RR carry?

About 15,612 vehicles per day (1979 count).

How long is Common ST over Kansas City Southern RR?

The structure is 692 ft (210.9 m) long with a longest span of 81 ft (24.7 m) and a deck 52 ft wide.

Who owns Common ST over Kansas City Southern RR?

It is owned by the City or Municipal Highway Agency.