US Bridges

SH 240 over Cone Bayou Relief

Fair

Montgomery County, Arkansas · 6.67 M W JCT SH 8 & 240 · Structure no. 0000000000M2508

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
700
2018 count
Owner
State
State Highway Agency

About this bridge

SH 240 over Cone Bayou Relief is a steel stringer/multi-beam or girder carrying SH 240 over Cone Bayou Relief in Montgomery 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 700 vehicles a day, roughly 3% of them trucks, projected to reach 800 by 2038. The structure is 29 ft (8.7 m) long and 25 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

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CarriesSH 240
CrossesCone Bayou Relief
Location6.67 M W JCT SH 8 & 240
RouteState Highway 240
CountyMontgomery County
StateArkansas
Coordinates34.35886, -93.7115
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span27 ft (8.2 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2018)
Projected traffic800 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 240 over Cone Bayou Relief built?

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

What condition is SH 240 over Cone Bayou Relief 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 August 2023.

How much traffic does SH 240 over Cone Bayou Relief carry?

About 700 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is SH 240 over Cone Bayou Relief?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.2 m) and a deck 25 ft wide.

Who owns SH 240 over Cone Bayou Relief?

It is owned by the State Highway Agency.