US Bridges

SH 296 SEC.01-4.20 over Mckinney Bayou

Fair

Miller County, Arkansas · 4.0 MI E JCT SH 67 & 296 · Structure no. 0000000000M2767

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
280
2018 count
Owner
State
State Highway Agency

About this bridge

SH 296 SEC.01-4.20 over Mckinney Bayou is a concrete channel beam carrying SH 296 SEC.01-4.20 over Mckinney Bayou in Miller County, Arkansas. It was built in 1964, so it is 61 years old, older 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 280 vehicles a day, roughly 1% of them trucks, projected to reach 414 by 2027. The structure is 95 ft (29 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSH 296 SEC.01-4.20
CrossesMckinney Bayou
Location4.0 MI E JCT SH 67 & 296
RouteState Highway 296
CountyMiller County
StateArkansas
Coordinates33.47369, -93.92481
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadUnknown
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2018)
Projected traffic414 by 2027
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 296 SEC.01-4.20 over Mckinney Bayou built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 296 SEC.01-4.20 over Mckinney 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 April 2023.

How much traffic does SH 296 SEC.01-4.20 over Mckinney Bayou carry?

About 280 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 296 SEC.01-4.20 over Mckinney Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns SH 296 SEC.01-4.20 over Mckinney Bayou?

It is owned by the State Highway Agency.