US Bridges

Union CR 31 (k) over Cornie Bayou

Fair

Union County, Arkansas · 1.60 MI E JCT US 167 · Structure no. 000000000004536

Built
1985
40 years old
Condition
Fair
inspected January 2023
Type
Channel Beam
Concrete
Length
248 ft
8 main spans
Daily traffic
380
2018 count
Owner
County
County Highway Agency

About this bridge

Union CR 31 (k) over Cornie Bayou is a concrete channel beam carrying Union CR 31 (k) over Cornie Bayou in Union County, Arkansas. It was built in 1985, so it is 40 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 380 vehicles a day, roughly 1% of them trucks, projected to reach 568 by 2007. The structure is 248 ft (75.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesUnion CR 31 (k)
CrossesCornie Bayou
Location1.60 MI E JCT US 167
RouteCounty Highway 31
CountyUnion County
StateArkansas
Coordinates33.02132, -92.69993
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length248 ft (75.6 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2018)
Projected traffic568 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Union CR 31 (k) over Cornie Bayou built?

It was built in 1985, making it 40 years old in 2025.

What condition is Union CR 31 (k) over Cornie 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 January 2023.

How much traffic does Union CR 31 (k) over Cornie Bayou carry?

About 380 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Union CR 31 (k) over Cornie Bayou?

The structure is 248 ft (75.6 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Union CR 31 (k) over Cornie Bayou?

It is owned by the County Highway Agency.