US Bridges

Union CR15 Z-E over Smackover Creek Relief

Good

Union County, Arkansas · .75 M E JCT CR 15 & 500 · Structure no. 000000000004252

Built
1974
51 years old, rebuilt 2007
Condition
Good
inspected June 2023
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
527
2018 count
Owner
County
County Highway Agency

About this bridge

Union CR15 Z-E over Smackover Creek Relief is a concrete channel beam carrying Union CR15 Z-E over Smackover Creek Relief in Union County, Arkansas. It was built in 1974 and reconstructed in 2007, so it is 51 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 527 vehicles a day, roughly 1% of them trucks, projected to reach 427 by 2004. The structure is 93 ft (28.3 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUnion CR15 Z-E
CrossesSmackover Creek Relief
Location.75 M E JCT CR 15 & 500
RouteCounty Highway 15
Coordinates33.35749, -92.68629
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 inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic527 (2018)
Projected traffic427 by 2004
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Union CR15 Z-E over Smackover Creek Relief built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2007.

What condition is Union CR15 Z-E over Smackover Creek 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 June 2023.

How much traffic does Union CR15 Z-E over Smackover Creek Relief carry?

About 527 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Union CR15 Z-E over Smackover Creek Relief?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns Union CR15 Z-E over Smackover Creek Relief?

It is owned by the County Highway Agency.