US Bridges

US 45 over SR 145

Fair

Lee County, Mississippi · US 45 over SR 145 · Structure no. 21000450412339A

Built
1991
34 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
509 ft
4 main spans
Daily traffic
13,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over SR 145 is a concrete continuous box beam or girders - single or spread carrying US 45 over SR 145 in Lee County, Mississippi. It was built in 1991, so it is 34 years old, younger 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 6 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 13,500 vehicles a day, roughly 16% of them trucks, projected to reach 17,000 by 2043. The structure is 509 ft (155 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45
CrossesSR 145
LocationUS 45 over SR 145
RouteU.S. Route 45
Coordinates34.3771, -88.69818
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating86.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length509 ft (155 m)
Longest span136 ft (41.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2023)
Projected traffic17,000 by 2043
Trucks16%
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 SR 145 built?

It was built in 1991, making it 34 years old in 2025.

What condition is US 45 over SR 145 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 November 2024.

How much traffic does US 45 over SR 145 carry?

About 13,500 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 45 over SR 145?

The structure is 509 ft (155 m) long with a longest span of 136 ft (41.5 m) and a deck 43 ft wide.

Who owns US 45 over SR 145?

It is owned by the State Highway Agency.