US Bridges

US 45 over US 45A

Good

Lee County, Mississippi · US 45 over US 45A · Structure no. 21000450412149A

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
365 ft
4 main spans
Daily traffic
8,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over US 45A is a prestressed concrete continuous stringer/multi-beam or girder carrying US 45 over US 45A in Lee County, Mississippi. It was built in 1994, so it is 31 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 8,500 vehicles a day, roughly 10% of them trucks, projected to reach 10,500 by 2043. The structure is 365 ft (111.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45
CrossesUS 45A
LocationUS 45 over US 45A
RouteU.S. Route 45
Coordinates34.11694, -88.70194
Functional classRural Principal Arterial - Other

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating33.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length365 ft (111.4 m)
Longest span112 ft (34.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2023)
Projected traffic10,500 by 2043
Trucks10%
Lanes on structure30
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 45 over US 45A built?

It was built in 1994, making it 31 years old in 2025.

What condition is US 45 over US 45A 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 October 2024.

How much traffic does US 45 over US 45A carry?

About 8,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 45 over US 45A?

The structure is 365 ft (111.4 m) long with a longest span of 112 ft (34.1 m) and a deck 43 ft wide.

Who owns US 45 over US 45A?

It is owned by the State Highway Agency.