US Bridges

SH 9 over I 40-SEC 31

Fair

Conway County, Arkansas · 1.99 MI N US 64 JCT · Structure no. 000000000005031

Built
1968
57 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
236 ft
4 main spans
Daily traffic
18,000
2018 count
Owner
State
State Highway Agency

About this bridge

SH 9 over I 40-SEC 31 is a steel continuous stringer/multi-beam or girder carrying SH 9 over I 40-SEC 31 in Conway County, Arkansas. It was built in 1968, so it is 57 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 6 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 18,000 vehicles a day, roughly 1% of them trucks, projected to reach 10,082 by 2028. The structure is 236 ft (71.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 9
CrossesI 40-SEC 31
Location1.99 MI N US 64 JCT
RouteState Highway 9
CountyConway County
StateArkansas
Coordinates35.17386, -92.71786
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length236 ft (71.9 m)
Longest span70 ft (21.3 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2018)
Projected traffic10,082 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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 SH 9 over I 40-SEC 31 built?

It was built in 1968, making it 57 years old in 2025.

What condition is SH 9 over I 40-SEC 31 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 January 2024.

How much traffic does SH 9 over I 40-SEC 31 carry?

About 18,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 9 over I 40-SEC 31?

The structure is 236 ft (71.9 m) long with a longest span of 70 ft (21.3 m) and a deck 46 ft wide.

Who owns SH 9 over I 40-SEC 31?

It is owned by the State Highway Agency.