US Bridges

SH 103 over I-40 Main Lanes Sec 21

Good

Johnson County, Arkansas · 1.38 MI S of JCT of SH 64 · Structure no. 000000000007270

Built
2015
10 years old
Condition
Good
inspected December 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
230 ft
3 main spans
Daily traffic
5,355
2018 count
Owner
State
State Highway Agency

About this bridge

SH 103 over I-40 Main Lanes Sec 21 is a steel continuous stringer/multi-beam or girder carrying SH 103 over I-40 Main Lanes Sec 21 in Johnson County, Arkansas. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,355 vehicles a day, roughly 3% of them trucks, projected to reach 20,000 by 2033. The structure is 230 ft (70.1 m) long and 74 ft wide.

CarriesSH 103
CrossesI-40 Main Lanes Sec 21
Location1.38 MI S of JCT of SH 64
RouteState Highway 103
Coordinates35.45218, -93.46526
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length230 ft (70.1 m)
Longest span115 ft (35.1 m)
Deck width74 ft (22.6 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,355 (2018)
Projected traffic20,000 by 2033
Trucks3%
Lanes on structure5
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 103 over I-40 Main Lanes Sec 21 built?

It was built in 2015, making it 10 years old in 2025.

What condition is SH 103 over I-40 Main Lanes Sec 21 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 December 2021.

How much traffic does SH 103 over I-40 Main Lanes Sec 21 carry?

About 5,355 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is SH 103 over I-40 Main Lanes Sec 21?

The structure is 230 ft (70.1 m) long with a longest span of 115 ft (35.1 m) and a deck 74 ft wide.

Who owns SH 103 over I-40 Main Lanes Sec 21?

It is owned by the State Highway Agency.