US Bridges

CR N471 - D over Ditch 6

Fair

Mississippi County, Arkansas · 2.5 MI N JCT SH 158 · Structure no. 000000000021768

Built
1996
29 years old
Condition
Fair
inspected June 2023
Type
Truss - Deck
Steel
Length
109 ft
1 main span
Daily traffic
85
2018 count
Owner
County
County Highway Agency

About this bridge

CR N471 - D over Ditch 6 is a steel truss - deck carrying CR N471 - D over Ditch 6 in Mississippi County, Arkansas. It was built in 1996, so it is 29 years old, younger than the Arkansas average of 45.1 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 85 vehicles a day, roughly 1% of them trucks, projected to reach 60 by 2007. The structure is 109 ft (33.3 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR N471 - D
CrossesDitch 6
Location2.5 MI N JCT SH 158
RouteCounty Highway 0N471
Coordinates35.79257, -90.03463
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length109 ft (33.3 m)
Longest span50 ft (15.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2018)
Projected traffic60 by 2007
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR N471 - D over Ditch 6 built?

It was built in 1996, making it 29 years old in 2025.

What condition is CR N471 - D over Ditch 6 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 June 2023.

How much traffic does CR N471 - D over Ditch 6 carry?

About 85 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR N471 - D over Ditch 6?

The structure is 109 ft (33.3 m) long with a longest span of 50 ft (15.1 m) and a deck 20 ft wide.

Who owns CR N471 - D over Ditch 6?

It is owned by the County Highway Agency.