US Bridges

Union Cord 18 Z-E over Flat Creek

FairPosted for load

Union County, Arkansas · 1 Mi. E JCT SH 335 & CR18 · Structure no. 000000000023248

Built
2008
17 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
62 ft
2 main spans
Daily traffic
635
2018 count
Owner
County
County Highway Agency

About this bridge

Union Cord 18 Z-E over Flat Creek is a concrete channel beam carrying Union Cord 18 Z-E over Flat Creek in Union County, Arkansas. It was built in 2008, so it is 17 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. Its operating status is: posted for load restriction.

It carries about 635 vehicles a day, roughly 1% of them trucks, projected to reach 159 by 2007. The structure is 62 ft (18.9 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUnion Cord 18 Z-E
CrossesFlat Creek
Location1 Mi. E JCT SH 335 & CR18
RouteCounty Highway 18
CountyUnion County
StateArkansas
Coordinates33.29374, -92.64989
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum 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 spans2
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic635 (2018)
Projected traffic159 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 Cord 18 Z-E over Flat Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Union Cord 18 Z-E over Flat Creek 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 September 2023.

How much traffic does Union Cord 18 Z-E over Flat Creek carry?

About 635 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Union Cord 18 Z-E over Flat Creek?

The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Union Cord 18 Z-E over Flat Creek?

It is owned by the County Highway Agency.