US Bridges

US 45 over Smith Creek

Good

Lee County, Mississippi · 1.4 MI N Monroe Cl · Structure no. 210004504121170

Built
1995
30 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
48 ft
2 main spans
Daily traffic
17,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over Smith Creek is a concrete culvert carrying US 45 over Smith Creek in Lee County, Mississippi. It was built in 1995, so it is 30 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 17,000 vehicles a day, roughly 10% of them trucks, projected to reach 21,000 by 2043. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45
CrossesSmith Creek
Location1.4 MI N Monroe Cl
RouteU.S. Route 45
Coordinates34.09934, -88.65013
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2023)
Projected traffic21,000 by 2043
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 45 over Smith Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is US 45 over Smith Creek 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 November 2024.

How much traffic does US 45 over Smith Creek carry?

About 17,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 45 over Smith Creek?

The structure is 48 ft (14.6 m) long with a longest span of 20 ft (6.1 m).

Who owns US 45 over Smith Creek?

It is owned by the State Highway Agency.