US Bridges

Co. Road 3217 over Zilpha Creek

Poor

Attala County, Mississippi · Sec 18 T16N R 7E · Structure no. SA0400000000147

Built
1969
56 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
50 ft
100 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Co. Road 3217 over Zilpha Creek is a wood or timber stringer/multi-beam or girder carrying Co. Road 3217 over Zilpha Creek in Attala County, Mississippi. It was built in 1969, so it is 56 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, temporary structure in place while original is closed.

It carries about 40 vehicles a day, roughly 8% of them trucks, projected to reach 60 by 2044. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCo. Road 3217
CrossesZilpha Creek
LocationSec 18 T16N R 7E
RouteCounty Highway 225
Coordinates33.24694, -89.62083
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans100
Design loadH 10
Structure length50 ft (15.2 m)
Longest span18 ft (5.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic60 by 2044
Trucks8%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$350,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Road 3217 over Zilpha Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Co. Road 3217 over Zilpha Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Co. Road 3217 over Zilpha Creek carry?

About 40 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Co. Road 3217 over Zilpha Creek?

The structure is 50 ft (15.2 m) long with a longest span of 18 ft (5.5 m) and a deck 16 ft wide.

Who owns Co. Road 3217 over Zilpha Creek?

It is owned by the County Highway Agency.