US Bridges

County Road 484 over US 45

Good

Lee County, Mississippi · 2.1 MI N JCT US 45A/ US45 · Structure no. 410004504121700

Built
1985
40 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
332 ft
2 main spans
Daily traffic
120
2023 count
Owner
State
State Highway Agency

About this bridge

County Road 484 over US 45 is a prestressed concrete stringer/multi-beam or girder carrying County Road 484 over US 45 in Lee County, Mississippi. It was built in 1985, so it is 40 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 120 vehicles a day, roughly 13% of them trucks, projected to reach 120 by 2043. The structure is 332 ft (101.3 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCounty Road 484
CrossesUS 45
Location2.1 MI N JCT US 45A/ US45
RouteCounty Highway 0
CountyLee County
StateMississippi
Coordinates34.14796, -88.70286
Functional classRural Minor Collector

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 evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment9: Superior to present desirable criteria
Operating rating58.2 US tons
Inventory rating26.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length332 ft (101.3 m)
Longest span90 ft (27.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic120 by 2043
Trucks13%
Lanes on structure20
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 County Road 484 over US 45 built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 484 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 October 2024.

How much traffic does County Road 484 over US 45 carry?

About 120 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is County Road 484 over US 45?

The structure is 332 ft (101.3 m) long with a longest span of 90 ft (27.4 m) and a deck 35 ft wide.

Who owns County Road 484 over US 45?

It is owned by the State Highway Agency.