US Bridges

US 45 over Old 45 Marion Road

Fair

Lauderdale County, Mississippi · Int of Old New US 45 · Structure no. 210004503807910

Built
1973
52 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
444 ft
4 main spans
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over Old 45 Marion Road is a concrete continuous box beam or girders - multiple carrying US 45 over Old 45 Marion Road in Lauderdale County, Mississippi. It was built in 1973, so it is 52 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,000 vehicles a day, roughly 14% of them trucks, projected to reach 13,000 by 2043. The structure is 444 ft (135.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45
CrossesOld 45 Marion Road
LocationInt of Old New US 45
RouteU.S. Route 45
Coordinates32.43416, -88.64079
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length444 ft (135.3 m)
Longest span130 ft (39.6 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic13,000 by 2043
Trucks14%
Lanes on structure2
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 Old 45 Marion Road built?

It was built in 1973, making it 52 years old in 2025.

What condition is US 45 over Old 45 Marion Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does US 45 over Old 45 Marion Road carry?

About 11,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 45 over Old 45 Marion Road?

The structure is 444 ft (135.3 m) long with a longest span of 130 ft (39.6 m) and a deck 42 ft wide.

Who owns US 45 over Old 45 Marion Road?

It is owned by the State Highway Agency.