US Bridges

SH 312-01-LM 0.82 over Natl (#17) Ditch

Good

Mississippi County, Arkansas · 0.82 MI E JCT SH 18& 312 · Structure no. 0000000000X1588

Built
2020
5 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
1,900
2019 count
Owner
State
State Highway Agency

About this bridge

SH 312-01-LM 0.82 over Natl (#17) Ditch is a concrete culvert carrying SH 312-01-LM 0.82 over Natl (#17) Ditch in Mississippi County, Arkansas. It was built in 2020, so it is 5 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,900 vehicles a day, roughly 1% of them trucks, projected to reach 2,100 by 2039. The structure is 45 ft (13.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSH 312-01-LM 0.82
CrossesNatl (#17) Ditch
Location0.82 MI E JCT SH 18& 312
RouteState Highway 312
CountyMississippi County
StateArkansas
Coordinates35.87216, -89.99107
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadOther
Structure length45 ft (13.8 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2019)
Projected traffic2,100 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 312-01-LM 0.82 over Natl (#17) Ditch built?

It was built in 2020, making it 5 years old in 2025.

What condition is SH 312-01-LM 0.82 over Natl (#17) 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 November 2022.

How much traffic does SH 312-01-LM 0.82 over Natl (#17) Ditch carry?

About 1,900 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is SH 312-01-LM 0.82 over Natl (#17) Ditch?

The structure is 45 ft (13.8 m) long with a longest span of 12 ft (3.6 m).

Who owns SH 312-01-LM 0.82 over Natl (#17) Ditch?

It is owned by the State Highway Agency.