US Bridges

Union CR 21 Z-C over Creek

Good

Union County, Arkansas · 0.91 MI NE JCT US 82 · Structure no. 000000000022251

Built
2000
25 years old
Condition
Good
inspected May 2024
Type
Channel Beam
Concrete
Length
45 ft
3 main spans
Daily traffic
90
2018 count
Owner
County
County Highway Agency

About this bridge

Union CR 21 Z-C over Creek is a concrete channel beam carrying Union CR 21 Z-C over Creek in Union County, Arkansas. It was built in 2000, so it is 25 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 90 vehicles a day, roughly 16% of them trucks, projected to reach 590 by 2007. The structure is 45 ft (13.7 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUnion CR 21 Z-C
CrossesCreek
Location0.91 MI NE JCT US 82
RouteCounty Highway 21
Coordinates33.19639, -92.60111
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2018)
Projected traffic590 by 2007
Trucks16%
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 CR 21 Z-C over Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Union CR 21 Z-C over 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 May 2024.

How much traffic does Union CR 21 Z-C over Creek carry?

About 90 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is Union CR 21 Z-C over Creek?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 25 ft wide.

Who owns Union CR 21 Z-C over Creek?

It is owned by the County Highway Agency.