US Bridges

Union CR 51 Z-H over Ash Branch

Good

Union County, Arkansas · 0.25 M N JCT CR 256 · Structure no. 000000000024065

Built
2019
6 years old
Condition
Good
inspected July 2023
Type
Channel Beam
Concrete
Length
82 ft
4 main spans
Daily traffic
336
2018 count
Owner
County
County Highway Agency

About this bridge

Union CR 51 Z-H over Ash Branch is a concrete channel beam carrying Union CR 51 Z-H over Ash Branch in Union County, Arkansas. It was built in 2019, so it is 6 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 336 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2040. The structure is 82 ft (25 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUnion CR 51 Z-H
CrossesAsh Branch
Location0.25 M N JCT CR 256
RouteCounty Highway 0CR51
Coordinates33.15616, -92.87382
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 inspectionJuly 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 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 rating56 US tons
Inventory rating33 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadUnknown
Structure length82 ft (25 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic336 (2018)
Projected traffic400 by 2040
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Union CR 51 Z-H over Ash Branch built?

It was built in 2019, making it 6 years old in 2025.

What condition is Union CR 51 Z-H over Ash Branch 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 July 2023.

How much traffic does Union CR 51 Z-H over Ash Branch carry?

About 336 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Union CR 51 Z-H over Ash Branch?

The structure is 82 ft (25 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns Union CR 51 Z-H over Ash Branch?

It is owned by the County Highway Agency.