US Bridges

Ninth Street over US 45

Good

Prentiss County, Mississippi · 0.7 MI S SR 4 · Structure no. 410004505925630

Built
1993
32 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
312 ft
4 main spans
Daily traffic
940
2023 count
Owner
State
State Highway Agency

About this bridge

Ninth Street over US 45 is a prestressed concrete continuous stringer/multi-beam or girder carrying Ninth Street over US 45 in Prentiss County, Mississippi. It was built in 1993, so it is 32 years old, younger 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 940 vehicles a day, roughly 1% of them trucks, projected to reach 940 by 2043. The structure is 312 ft (95.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNinth Street
CrossesUS 45
Location0.7 MI S SR 4
RouteCounty Highway 0
Coordinates34.67396, -88.59602
Functional classUrban Minor Arterial

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length312 ft (95.2 m)
Longest span95 ft (29 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2023)
Projected traffic940 by 2043
Trucks1%
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 Ninth Street over US 45 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Ninth Street over US 45 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 March 2024.

How much traffic does Ninth Street over US 45 carry?

About 940 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Ninth Street over US 45?

The structure is 312 ft (95.2 m) long with a longest span of 95 ft (29 m) and a deck 43 ft wide.

Who owns Ninth Street over US 45?

It is owned by the State Highway Agency.