US Bridges

SH-316/SEC1/L11.21 over Drainage Ditch

GoodPosted for load

Phillips County, Arkansas · 2.77 MI So of JCT US 49 · Structure no. 000000000005460

Built
1972
53 years old
Condition
Good
inspected August 2024
Type
Channel Beam
Concrete
Length
73 ft
1 main span
Daily traffic
350
2018 count
Owner
State
State Highway Agency

About this bridge

SH-316/SEC1/L11.21 over Drainage Ditch is a concrete channel beam carrying SH-316/SEC1/L11.21 over Drainage Ditch in Phillips County, Arkansas. It was built in 1972, so it is 53 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 350 vehicles a day, roughly 1% of them trucks, projected to reach 387 by 2028. The structure is 73 ft (22.2 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesSH-316/SEC1/L11.21
CrossesDrainage Ditch
Location2.77 MI So of JCT US 49
RouteState Highway 316
CountyPhillips County
StateArkansas
Coordinates34.52108, -90.86555
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadH 20
Structure length73 ft (22.2 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2018)
Projected traffic387 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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-316/SEC1/L11.21 over Drainage Ditch built?

It was built in 1972, making it 53 years old in 2025.

What condition is SH-316/SEC1/L11.21 over Drainage Ditch 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 August 2024.

How much traffic does SH-316/SEC1/L11.21 over Drainage Ditch carry?

About 350 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH-316/SEC1/L11.21 over Drainage Ditch?

The structure is 73 ft (22.2 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns SH-316/SEC1/L11.21 over Drainage Ditch?

It is owned by the State Highway Agency.