US Bridges

US 79 SEC2 LM3.65 over Sl SW RR

FairPosted for load

Columbia County, Arkansas · 2.0 MI SW of SH 98 · Structure no. 000000000001978

Built
1936
89 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
302 ft
1 main span
Daily traffic
3,636
2018 count
Owner
State
State Highway Agency

About this bridge

US 79 SEC2 LM3.65 over Sl SW RR is a steel stringer/multi-beam or girder carrying US 79 SEC2 LM3.65 over Sl SW RR in Columbia County, Arkansas. It was built in 1936, so it is 89 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. Its operating status is: posted for load restriction.

It carries about 3,636 vehicles a day, roughly 1% of them trucks, projected to reach 4,204 by 2028. The structure is 302 ft (92 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 79 SEC2 LM3.65
CrossesSl SW RR
Location2.0 MI SW of SH 98
RouteU.S. Route 79
CountyColumbia County
StateArkansas
Coordinates33.348, -93.20106
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadH 15
Structure length302 ft (92 m)
Longest span48 ft (14.6 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,636 (2018)
Projected traffic4,204 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 79 SEC2 LM3.65 over Sl SW RR built?

It was built in 1936, making it 89 years old in 2025.

What condition is US 79 SEC2 LM3.65 over Sl SW RR 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 May 2023.

How much traffic does US 79 SEC2 LM3.65 over Sl SW RR carry?

About 3,636 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 79 SEC2 LM3.65 over Sl SW RR?

The structure is 302 ft (92 m) long with a longest span of 48 ft (14.6 m) and a deck 27 ft wide.

Who owns US 79 SEC2 LM3.65 over Sl SW RR?

It is owned by the State Highway Agency.