US Bridges

County Road 505 over Coonshuck Creek

Fair

Neshoba County, Mississippi · Sec 4 T 9N R12E B · Structure no. SA5000000000026

Built
1997
28 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
590
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 505 over Coonshuck Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road 505 over Coonshuck Creek in Neshoba County, Mississippi. It was built in 1997, so it is 28 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 590 vehicles a day, roughly 10% of them trucks, projected to reach 900 by 2041. The structure is 122 ft (37.2 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road 505
CrossesCoonshuck Creek
LocationSec 4 T 9N R12E B
RouteCounty Highway 558
CountyNeshoba County
StateMississippi
Coordinates32.65441, -89.06466
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating69.1 US tons
Inventory rating33.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic590 (2021)
Projected traffic900 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 505 over Coonshuck Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Road 505 over Coonshuck 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 February 2023.

How much traffic does County Road 505 over Coonshuck Creek carry?

About 590 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is County Road 505 over Coonshuck Creek?

The structure is 122 ft (37.2 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns County Road 505 over Coonshuck Creek?

It is owned by the County Highway Agency.