US Bridges

CR 4001 over Unnamed Creek

FairPosted for load

Prentiss County, Mississippi · Sec 3 T 7S R 8E · Structure no. SA5900000000129

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
20 ft
1 main span
Daily traffic
140
2015 count
Owner
County
County Highway Agency

About this bridge

CR 4001 over Unnamed Creek is a steel stringer/multi-beam or girder carrying CR 4001 over Unnamed Creek in Prentiss County, Mississippi. It was built in 1970, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 140 vehicles a day, roughly 8% of them trucks, projected to reach 210 by 2035. The structure is 20 ft (6.2 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 4001
CrossesUnnamed Creek
LocationSec 3 T 7S R 8E
RouteCounty Highway 133
CountyPrentiss County
StateMississippi
Coordinates34.501, -88.44522
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
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width18 ft (5.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2015)
Projected traffic210 by 2035
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$126,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 4001 over Unnamed Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is CR 4001 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 4001 over Unnamed Creek carry?

About 140 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CR 4001 over Unnamed Creek?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m) and a deck 18 ft wide.

Who owns CR 4001 over Unnamed Creek?

It is owned by the County Highway Agency.