US Bridges

I 20 over Old HWY 27 KCS RR

Fair

Warren County, Mississippi · 4.5 MI E LA ST Line · Structure no. 11000200750045B

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
245 ft
4 main spans
Daily traffic
21,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 over Old HWY 27 KCS RR is a prestressed concrete stringer/multi-beam or girder carrying I 20 over Old HWY 27 KCS RR in Warren County, Mississippi. It was built in 1971, so it is 54 years old, older than the Mississippi average of 38.9 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 21,000 vehicles a day, roughly 27% of them trucks, projected to reach 21,000 by 2043. The structure is 245 ft (74.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20
CrossesOld HWY 27 KCS RR
Location4.5 MI E LA ST Line
RouteInterstate 20
Coordinates32.33973, -90.84817
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating33.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length245 ft (74.7 m)
Longest span94 ft (28.7 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2023)
Projected traffic21,000 by 2043
Trucks27%
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 NetworkInterstate 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 I 20 over Old HWY 27 KCS RR built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 20 over Old HWY 27 KCS 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 October 2023.

How much traffic does I 20 over Old HWY 27 KCS RR carry?

About 21,000 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is I 20 over Old HWY 27 KCS RR?

The structure is 245 ft (74.7 m) long with a longest span of 94 ft (28.7 m) and a deck 44 ft wide.

Who owns I 20 over Old HWY 27 KCS RR?

It is owned by the State Highway Agency.