US Bridges

CR N843 - a over Mill Bayou

Fair

Mississippi County, Arkansas · 1.50 M S of SH 120 & RD43 · Structure no. 000000000023183

Built
2008
17 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
3 main spans
Daily traffic
9
1987 count
Owner
County
County Highway Agency

About this bridge

CR N843 - a over Mill Bayou is a steel stringer/multi-beam or girder carrying CR N843 - a over Mill Bayou in Mississippi County, Arkansas. It was built in 2008, so it is 17 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 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 9 vehicles a day, roughly 1% of them trucks, projected to reach 11 by 2007. The structure is 120 ft (36.7 m) long and 20 ft wide. If it were closed, the detour would be 124.3 mi (200 km).

Location

Open in Google Maps
CarriesCR N843 - a
CrossesMill Bayou
Location1.50 M S of SH 120 & RD43
RouteCounty Highway 0N843
CountyMississippi County
StateArkansas
Coordinates35.77605, -89.83031
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 inspectionJuly 2024
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length120 ft (36.7 m)
Longest span40 ft (12.3 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9 (1987)
Projected traffic11 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.3 mi (200 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 N843 - a over Mill Bayou built?

It was built in 2008, making it 17 years old in 2025.

What condition is CR N843 - a over Mill Bayou 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 July 2024.

How much traffic does CR N843 - a over Mill Bayou carry?

About 9 vehicles per day (1987 count), of which roughly 1% are trucks.

How long is CR N843 - a over Mill Bayou?

The structure is 120 ft (36.7 m) long with a longest span of 40 ft (12.3 m) and a deck 20 ft wide.

Who owns CR N843 - a over Mill Bayou?

It is owned by the County Highway Agency.