US Bridges

Union CR 15 Z-E over Smackover Creek

Good

Union County, Arkansas · 1 M E JCT CR 500 · Structure no. 000000000004267

Built
1975
50 years old
Condition
Good
inspected November 2024
Type
Channel Beam
Concrete
Length
225 ft
5 main spans
Daily traffic
527
2018 count
Owner
County
County Highway Agency

About this bridge

Union CR 15 Z-E over Smackover Creek is a concrete channel beam carrying Union CR 15 Z-E over Smackover Creek in Union County, Arkansas. It was built in 1975, so it is 50 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 225 ft (68.6 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUnion CR 15 Z-E
CrossesSmackover Creek
Location1 M E JCT CR 500
RouteCounty Highway 15
Coordinates33.3599, -92.68227
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 20
Structure length225 ft (68.6 m)
Longest span45 ft (13.7 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.3 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 CR 15 Z-E over Smackover Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Union CR 15 Z-E over Smackover Creek 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 2024.

How much traffic does Union CR 15 Z-E over Smackover Creek carry?

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

How long is Union CR 15 Z-E over Smackover Creek?

The structure is 225 ft (68.6 m) long with a longest span of 45 ft (13.7 m) and a deck 29 ft wide.

Who owns Union CR 15 Z-E over Smackover Creek?

It is owned by the County Highway Agency.