US Bridges

Smith Bridge Road over US 45

Good

Alcorn County, Mississippi · 0.5 MI N US 72 · Structure no. 410004500227500

Built
1965
60 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
244 ft
4 main spans
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

Smith Bridge Road over US 45 is a prestressed concrete stringer/multi-beam or girder carrying Smith Bridge Road over US 45 in Alcorn 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 2,800 vehicles a day, roughly 8% of them trucks, projected to reach 3,700 by 2043. The structure is 244 ft (74.5 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSmith Bridge Road
CrossesUS 45
Location0.5 MI N US 72
RouteCounty Highway 0
CountyAlcorn County
StateMississippi
Coordinates34.93825, -88.54564
Functional classUrban 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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating70 US tons
Inventory rating42.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length244 ft (74.5 m)
Longest span60 ft (18.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic3,700 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$361 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Smith Bridge Road over US 45 built?

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

What condition is Smith Bridge Road 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 July 2023.

How much traffic does Smith Bridge Road over US 45 carry?

About 2,800 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Smith Bridge Road over US 45?

The structure is 244 ft (74.5 m) long with a longest span of 60 ft (18.4 m) and a deck 30 ft wide.

Who owns Smith Bridge Road over US 45?

It is owned by the State Highway Agency.