US Bridges

SR 145 over KCS RR

Fair

Lee County, Mississippi · 0.5 MI W US 45A · Structure no. 310014504100050

Built
1937
88 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
3 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 145 over KCS RR is a steel continuous stringer/multi-beam or girder carrying SR 145 over KCS RR in Lee County, Mississippi. It was built in 1937, so it is 88 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 2,100 vehicles a day, roughly 11% of them trucks, projected to reach 2,100 by 2043. The structure is 260 ft (79.2 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 145
CrossesKCS RR
Location0.5 MI W US 45A
RouteState Highway 145
CountyLee County
StateMississippi
Coordinates34.12054, -88.71044
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.7 US tons
Inventory rating29.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length260 ft (79.2 m)
Longest span100 ft (30.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,100 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 145 over KCS RR built?

It was built in 1937, making it 88 years old in 2025.

What condition is SR 145 over KCS RR 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 SR 145 over KCS RR carry?

About 2,100 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 145 over KCS RR?

The structure is 260 ft (79.2 m) long with a longest span of 100 ft (30.5 m) and a deck 27 ft wide.

Who owns SR 145 over KCS RR?

It is owned by the State Highway Agency.