US Bridges

I 59 over County Road 370

Good

Clarke County, Mississippi · 1.5 MI S Lauderdale Cl · Structure no. 11000590121365B

Built
1965
60 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
223 ft
2 main spans
Daily traffic
7,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 59 over County Road 370 is a prestressed concrete stringer/multi-beam or girder carrying I 59 over County Road 370 in Clarke County, Mississippi. It was built in 1965, so it is 60 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,000 vehicles a day, roughly 36% of them trucks, projected to reach 7,500 by 2043. The structure is 223 ft (68 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 59
CrossesCounty Road 370
Location1.5 MI S Lauderdale Cl
RouteInterstate 59
Coordinates32.20462, -88.84381
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length223 ft (68 m)
Longest span60 ft (18.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2023)
Projected traffic7,500 by 2043
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$364 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 59 over County Road 370 built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 59 over County Road 370 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does I 59 over County Road 370 carry?

About 7,000 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is I 59 over County Road 370?

The structure is 223 ft (68 m) long with a longest span of 60 ft (18.3 m) and a deck 45 ft wide.

Who owns I 59 over County Road 370?

It is owned by the State Highway Agency.