US Bridges

US 79 S-4 Lm 3.26 over Ouachita Relief

Fair

Ouachita County, Arkansas · 2.68 MI NE JCT SH 7 · Structure no. 000000000005349

Built
1972
53 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
1,125 ft
45 main spans
Daily traffic
10,000
2018 count
Owner
State
State Highway Agency

About this bridge

US 79 S-4 Lm 3.26 over Ouachita Relief is a concrete slab carrying US 79 S-4 Lm 3.26 over Ouachita Relief in Ouachita County, Arkansas. It was built in 1972, so it is 53 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,000 vehicles a day, roughly 1% of them trucks, projected to reach 11,344 by 2028. The structure is 1,125 ft (342.9 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 79 S-4 Lm 3.26
CrossesOuachita Relief
Location2.68 MI NE JCT SH 7
RouteU.S. Route 79
CountyOuachita County
StateArkansas
Coordinates33.59362, -92.79523
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans45
Design loadHS 20
Structure length1,125 ft (342.9 m)
Longest span35 ft (10.7 m)
Deck width79 ft (24.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2018)
Projected traffic11,344 by 2028
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 79 S-4 Lm 3.26 over Ouachita Relief built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 79 S-4 Lm 3.26 over Ouachita Relief 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 December 2024.

How much traffic does US 79 S-4 Lm 3.26 over Ouachita Relief carry?

About 10,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 79 S-4 Lm 3.26 over Ouachita Relief?

The structure is 1,125 ft (342.9 m) long with a longest span of 35 ft (10.7 m) and a deck 79 ft wide.

Who owns US 79 S-4 Lm 3.26 over Ouachita Relief?

It is owned by the State Highway Agency.