US Bridges

Wisconsin Ave over I 20

Fair

Warren County, Mississippi · 2.9 MI E LA ST Line · Structure no. 510002007500290

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
492 ft
7 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

Wisconsin Ave over I 20 is a prestressed concrete stringer/multi-beam or girder carrying Wisconsin Ave over I 20 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 3,600 vehicles a day, roughly 8% of them trucks, projected to reach 3,600 by 2043. The structure is 492 ft (150 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWisconsin Ave
CrossesI 20
Location2.9 MI E LA ST Line
RouteCity Street 0
CountyWarren County
StateMississippi
Coordinates32.32211, -90.86842
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.7 US tons
Inventory rating54.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length492 ft (150 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic3,600 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Wisconsin Ave over I 20 built?

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

What condition is Wisconsin Ave over I 20 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 Wisconsin Ave over I 20 carry?

About 3,600 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Wisconsin Ave over I 20?

The structure is 492 ft (150 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns Wisconsin Ave over I 20?

It is owned by the State Highway Agency.