US Bridges

County Road 418 over Lonsilocher Creek

Fair

Neshoba County, Mississippi · Sec 4 T 9N R11E B · Structure no. SA5000000000018

Built
1972
53 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
130
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 418 over Lonsilocher Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road 418 over Lonsilocher Creek in Neshoba 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 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 130 vehicles a day, roughly 8% of them trucks, projected to reach 195 by 2043. The structure is 93 ft (28.3 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Road 418
CrossesLonsilocher Creek
LocationSec 4 T 9N R11E B
RouteCounty Highway 578
CountyNeshoba County
StateMississippi
Coordinates32.66537, -89.17014
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2023)
Projected traffic195 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$100,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 418 over Lonsilocher Creek built?

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

What condition is County Road 418 over Lonsilocher Creek 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 County Road 418 over Lonsilocher Creek carry?

About 130 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is County Road 418 over Lonsilocher Creek?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns County Road 418 over Lonsilocher Creek?

It is owned by the County Highway Agency.