US Bridges

Union CO RD 1 Z-I over Three Creek Relief

Good

Union County, Arkansas · 7.15 MI W JCT US 167 · Structure no. 000000000022073

Built
1999
26 years old
Condition
Good
inspected February 2023
Type
Channel Beam
Concrete
Length
186 ft
6 main spans
Daily traffic
170
2018 count
Owner
County
County Highway Agency

About this bridge

Union CO RD 1 Z-I over Three Creek Relief is a concrete channel beam carrying Union CO RD 1 Z-I over Three Creek 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 170 vehicles a day, roughly 1% of them trucks, projected to reach 130 by 2007. The structure is 186 ft (56.7 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUnion CO RD 1 Z-I
CrossesThree Creek Relief
Location7.15 MI W JCT US 167
RouteCounty Highway 1
Coordinates33.01617, -92.84504
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadUnknown
Structure length186 ft (56.7 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2018)
Projected traffic130 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 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 CO RD 1 Z-I over Three Creek Relief built?

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

What condition is Union CO RD 1 Z-I over Three 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 February 2023.

How much traffic does Union CO RD 1 Z-I over Three Creek Relief carry?

About 170 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Union CO RD 1 Z-I over Three Creek Relief?

The structure is 186 ft (56.7 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Union CO RD 1 Z-I over Three Creek Relief?

It is owned by the County Highway Agency.