US Bridges

CR 66/SOUTH Curve over Macon Bayou

Good

Desha County, Arkansas · 3.5 MI S SH 1-MCGEHEE · Structure no. 000000000004669

Built
1992
33 years old
Condition
Good
inspected January 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
212 ft
3 main spans
Daily traffic
270
2018 count
Owner
County
County Highway Agency

About this bridge

CR 66/SOUTH Curve over Macon Bayou is a steel stringer/multi-beam or girder carrying CR 66/SOUTH Curve over Macon Bayou in Desha County, Arkansas. It was built in 1992, so it is 33 years old, younger than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 270 vehicles a day, roughly 10% of them trucks, projected to reach 92 by 2011. The structure is 212 ft (64.6 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesCR 66/SOUTH Curve
CrossesMacon Bayou
Location3.5 MI S SH 1-MCGEHEE
RouteCounty Highway 66
CountyDesha County
StateArkansas
Coordinates33.64861, -91.32584
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2018)
Projected traffic92 by 2011
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 66/SOUTH Curve over Macon Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is CR 66/SOUTH Curve over Macon Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2022.

How much traffic does CR 66/SOUTH Curve over Macon Bayou carry?

About 270 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is CR 66/SOUTH Curve over Macon Bayou?

The structure is 212 ft (64.6 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns CR 66/SOUTH Curve over Macon Bayou?

It is owned by the County Highway Agency.