US Bridges

UNIONSH15S-1LM2.73 over Big Cornie Relief

Good

Union County, Arkansas · 2.73 MI NE LA State Line · Structure no. 000000000006694

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Concrete
Length
245 ft
7 main spans
Daily traffic
660
2018 count
Owner
State
State Highway Agency

About this bridge

UNIONSH15S-1LM2.73 over Big Cornie Relief is a concrete tee beam carrying UNIONSH15S-1LM2.73 over Big Cornie Relief in Union County, Arkansas. It was built in 1999, so it is 26 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 660 vehicles a day, roughly 19% of them trucks, projected to reach 894 by 2028. The structure is 245 ft (74.7 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUNIONSH15S-1LM2.73
CrossesBig Cornie Relief
Location2.73 MI NE LA State Line
RouteState Highway 15
Coordinates33.04121, -92.9344
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
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 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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span35 ft (10.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2018)
Projected traffic894 by 2028
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed11.8 mi (19 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 UNIONSH15S-1LM2.73 over Big Cornie Relief built?

It was built in 1999, making it 26 years old in 2025.

What condition is UNIONSH15S-1LM2.73 over Big Cornie Relief 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 November 2023.

How much traffic does UNIONSH15S-1LM2.73 over Big Cornie Relief carry?

About 660 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is UNIONSH15S-1LM2.73 over Big Cornie Relief?

The structure is 245 ft (74.7 m) long with a longest span of 35 ft (10.7 m) and a deck 35 ft wide.

Who owns UNIONSH15S-1LM2.73 over Big Cornie Relief?

It is owned by the State Highway Agency.