US Bridges

Oua.Cr 448 Z-A over Smackover CR Relief

Good

Ouachita County, Arkansas · .84 MI N Union CO Line · Structure no. 000000000004268

Built
1980
45 years old
Condition
Good
inspected April 2024
Type
Channel Beam
Concrete
Length
217 ft
7 main spans
Daily traffic
11
2018 count
Owner
County
County Highway Agency

About this bridge

Oua.Cr 448 Z-A over Smackover CR Relief is a concrete channel beam carrying Oua.Cr 448 Z-A over Smackover CR Relief in Ouachita County, Arkansas. It was built in 1980, so it is 45 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 11 vehicles a day, roughly 1% of them trucks, projected to reach 281 by 2007. The structure is 217 ft (66.1 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOua.Cr 448 Z-A
CrossesSmackover CR Relief
Location.84 MI N Union CO Line
RouteCounty Highway 69
Coordinates33.36835, -92.67268
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans7
Design loadH 20
Structure length217 ft (66.1 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2018)
Projected traffic281 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Oua.Cr 448 Z-A over Smackover CR Relief built?

It was built in 1980, making it 45 years old in 2025.

What condition is Oua.Cr 448 Z-A over Smackover CR 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 April 2024.

How much traffic does Oua.Cr 448 Z-A over Smackover CR Relief carry?

About 11 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Oua.Cr 448 Z-A over Smackover CR Relief?

The structure is 217 ft (66.1 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Oua.Cr 448 Z-A over Smackover CR Relief?

It is owned by the County Highway Agency.