US Bridges

CR 21 - B - 2.98 over Mckinney Bayou

Good

Miller County, Arkansas · 0.38 MI N JCT US HWY 82 · Structure no. 000000000023236

Built
2009
16 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
79 ft
9 main spans
Daily traffic
90
2018 count
Owner
County
County Highway Agency

About this bridge

CR 21 - B - 2.98 over Mckinney Bayou is a concrete culvert carrying CR 21 - B - 2.98 over Mckinney Bayou in Miller County, Arkansas. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 90 vehicles a day, roughly 6% of them trucks, projected to reach 188 by 2027. The structure is 79 ft (24 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesCR 21 - B - 2.98
CrossesMckinney Bayou
Location0.38 MI N JCT US HWY 82
RouteCounty Highway 21
CountyMiller County
StateArkansas
Coordinates33.42712, -93.85654
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans9
Design loadUnknown
Structure length79 ft (24 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2018)
Projected traffic188 by 2027
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 21 - B - 2.98 over Mckinney Bayou built?

It was built in 2009, making it 16 years old in 2025.

What condition is CR 21 - B - 2.98 over Mckinney 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 December 2024.

How much traffic does CR 21 - B - 2.98 over Mckinney Bayou carry?

About 90 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is CR 21 - B - 2.98 over Mckinney Bayou?

The structure is 79 ft (24 m) long with a longest span of 8 ft (2.4 m).

Who owns CR 21 - B - 2.98 over Mckinney Bayou?

It is owned by the County Highway Agency.