US Bridges

Ar HWY 31 over I-40

Good

Lonoke County, Arkansas · 1.64 MI N US 70 · Structure no. 000000000007605

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
2 main spans
Daily traffic
6,485
2018 count
Owner
State
State Highway Agency

About this bridge

Ar HWY 31 over I-40 is a steel continuous stringer/multi-beam or girder carrying Ar HWY 31 over I-40 in Lonoke County, Arkansas. It was built in 2024, so it is 1 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 6,485 vehicles a day, roughly 2% of them trucks, projected to reach 7,700 by 2038. The structure is 222 ft (67.8 m) long and 63 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesAr HWY 31
CrossesI-40
Location1.64 MI N US 70
RouteState Highway 31
CountyLonoke County
StateArkansas
Coordinates34.80379, -91.88877
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length222 ft (67.8 m)
Longest span110 ft (33.5 m)
Deck width63 ft (19.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,485 (2018)
Projected traffic7,700 by 2038
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed8.7 mi (14 km)
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 Ar HWY 31 over I-40 built?

It was built in 2024, making it 1 years old in 2025.

What condition is Ar HWY 31 over I-40 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 November 2024.

How much traffic does Ar HWY 31 over I-40 carry?

About 6,485 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Ar HWY 31 over I-40?

The structure is 222 ft (67.8 m) long with a longest span of 110 ft (33.5 m) and a deck 63 ft wide.

Who owns Ar HWY 31 over I-40?

It is owned by the State Highway Agency.