US Bridges

US 45 over Burlington Northern RR

Good

Lee County, Mississippi · 4.0 MI S US 78 · Structure no. 21000450412238B

Built
1972
53 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
373 ft
1 main span
Daily traffic
16,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over Burlington Northern RR is a prestressed concrete stringer/multi-beam or girder carrying US 45 over Burlington Northern RR in Lee County, Mississippi. It was built in 1972, so it is 53 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 16,500 vehicles a day, roughly 14% of them trucks, projected to reach 19,000 by 2043. The structure is 373 ft (113.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45
CrossesBurlington Northern RR
Location4.0 MI S US 78
RouteU.S. Route 45
Coordinates34.24248, -88.6965
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadHS 20
Structure length373 ft (113.6 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2023)
Projected traffic19,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 Burlington Northern RR built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 45 over Burlington Northern RR 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 Burlington Northern RR carry?

About 16,500 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 45 over Burlington Northern RR?

The structure is 373 ft (113.6 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns US 45 over Burlington Northern RR?

It is owned by the State Highway Agency.