US Bridges

SH 315-SEC 1 over I 40-SEC 21

Fair

Johnson County, Arkansas · .45 M E JCT US 64 · Structure no. 000000000003779

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
212 ft
4 main spans
Daily traffic
1,200
2018 count
Owner
State
State Highway Agency

About this bridge

SH 315-SEC 1 over I 40-SEC 21 is a steel stringer/multi-beam or girder carrying SH 315-SEC 1 over I 40-SEC 21 in Johnson County, Arkansas. It was built in 1965, so it is 60 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 1,200 vehicles a day, roughly 1% of them trucks, projected to reach 2,007 by 2028. The structure is 212 ft (64.6 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesSH 315-SEC 1
CrossesI 40-SEC 21
Location.45 M E JCT US 64
RouteState Highway 315
CountyJohnson County
StateArkansas
Coordinates35.38354, -93.35663
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length212 ft (64.6 m)
Longest span66 ft (20.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2018)
Projected traffic2,007 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 315-SEC 1 over I 40-SEC 21 built?

It was built in 1965, making it 60 years old in 2025.

What condition is SH 315-SEC 1 over I 40-SEC 21 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 March 2024.

How much traffic does SH 315-SEC 1 over I 40-SEC 21 carry?

About 1,200 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 315-SEC 1 over I 40-SEC 21?

The structure is 212 ft (64.6 m) long with a longest span of 66 ft (20.1 m) and a deck 28 ft wide.

Who owns SH 315-SEC 1 over I 40-SEC 21?

It is owned by the State Highway Agency.