US Bridges

CR 3321 over Unnamed Creek

FairPosted for load

Prentiss County, Mississippi · Sec 1 T 6S R 8E · Structure no. SA5900000000149

Built
2005
20 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
70
2015 count
Owner
County
County Highway Agency

About this bridge

CR 3321 over Unnamed Creek is a steel stringer/multi-beam or girder carrying CR 3321 over Unnamed Creek in Prentiss County, Mississippi. It was built in 2005, so it is 20 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. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, projected to reach 105 by 2035. The structure is 24 ft (7.4 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 3321
CrossesUnnamed Creek
LocationSec 1 T 6S R 8E
RouteCounty Highway 3321
Coordinates34.59123, -88.40183
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.4 US tons
Inventory rating33.8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length24 ft (7.4 m)
Longest span24 ft (7.4 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2015)
Projected traffic105 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$118,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 3321 over Unnamed Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is CR 3321 over Unnamed 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 2024.

How much traffic does CR 3321 over Unnamed Creek carry?

About 70 vehicles per day (2015 count).

How long is CR 3321 over Unnamed Creek?

The structure is 24 ft (7.4 m) long with a longest span of 24 ft (7.4 m) and a deck 16 ft wide.

Who owns CR 3321 over Unnamed Creek?

It is owned by the County Highway Agency.