US Bridges

CR 12 / Newton Cha over Macon Bayou

Good

Desha County, Arkansas · 1.0 MI E US 65 · Structure no. 000000000004364

Built
1978
47 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
222 ft
4 main spans
Daily traffic
110
2018 count
Owner
County
County Highway Agency

About this bridge

CR 12 / Newton Cha over Macon Bayou is a steel stringer/multi-beam or girder carrying CR 12 / Newton Cha over Macon Bayou in Desha County, Arkansas. It was built in 1978, so it is 47 years old, older 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 110 vehicles a day, roughly 1% of them trucks, projected to reach 134 by 2007. The structure is 222 ft (67.7 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 12 / Newton Cha
CrossesMacon Bayou
Location1.0 MI E US 65
RouteCounty Highway 12
Coordinates33.73785, -91.43712
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length222 ft (67.7 m)
Longest span55 ft (16.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2018)
Projected traffic134 by 2007
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 12 / Newton Cha over Macon Bayou built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR 12 / Newton Cha 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 May 2024.

How much traffic does CR 12 / Newton Cha over Macon Bayou carry?

About 110 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR 12 / Newton Cha over Macon Bayou?

The structure is 222 ft (67.7 m) long with a longest span of 55 ft (16.8 m) and a deck 29 ft wide.

Who owns CR 12 / Newton Cha over Macon Bayou?

It is owned by the County Highway Agency.